207913125

素因数分解:

$3^1\times 5^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 421665024

約数和(自身を除く): 213751899

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 49, 73, 75, 93, 105, 125, 147, 155, 175, 217, 219, 245, 365, 375, 465, 511, 525, 625, 651, 735, 775, 875, 1085, 1095, 1225, 1519, 1533, 1825, 1875, 2263, 2325, 2555, 2625, 3255, 3577, 3675, 3875, 4375, 4557, 5425, 5475, 6125, 6789, 7595, 7665, 9125, 10731, 11315, 11625, 12775, 13125, 15841, 16275, 17885, 18375, 19375, 22785, 27125, 27375, 30625, 33945, 37975, 38325, 45625, 47523, 53655, 56575, 58125, 63875, 79205, 81375, 89425, 91875, 110887, 113925, 135625, 136875, 169725, 189875, 191625, 237615, 268275, 282875, 319375, 332661, 396025, 406875, 447125, 554435, 569625, 848625, 949375, 958125, 1188075, 1341375, 1414375, 1663305, 1980125, 2235625, 2772175, 2848125, 4243125, 5940375, 6706875, 8316525, 9900625, 13860875, 29701875, 41582625, 69304375, 207913125]

約数ペア:

[(1, 207913125), (3, 69304375), (5, 41582625), (7, 29701875), (15, 13860875), (21, 9900625), (25, 8316525), (31, 6706875), (35, 5940375), (49, 4243125), (73, 2848125), (75, 2772175), (93, 2235625), (105, 1980125), (125, 1663305), (147, 1414375), (155, 1341375), (175, 1188075), (217, 958125), (219, 949375), (245, 848625), (365, 569625), (375, 554435), (465, 447125), (511, 406875), (525, 396025), (625, 332661), (651, 319375), (735, 282875), (775, 268275), (875, 237615), (1085, 191625), (1095, 189875), (1225, 169725), (1519, 136875), (1533, 135625), (1825, 113925), (1875, 110887), (2263, 91875), (2325, 89425), (2555, 81375), (2625, 79205), (3255, 63875), (3577, 58125), (3675, 56575), (3875, 53655), (4375, 47523), (4557, 45625), (5425, 38325), (5475, 37975), (6125, 33945), (6789, 30625), (7595, 27375), (7665, 27125), (9125, 22785), (10731, 19375), (11315, 18375), (11625, 17885), (12775, 16275), (13125, 15841)]