199987875

素因数分解:

$3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 385482240

約数和(自身を除く): 185494365

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 59, 69, 75, 115, 125, 131, 177, 207, 225, 295, 345, 375, 393, 531, 575, 655, 885, 1035, 1125, 1179, 1357, 1475, 1725, 1965, 2655, 2875, 3013, 3275, 4071, 4425, 5175, 5895, 6785, 7375, 7729, 8625, 9039, 9825, 12213, 13275, 15065, 16375, 20355, 22125, 23187, 25875, 27117, 29475, 33925, 38645, 45195, 49125, 61065, 66375, 69561, 75325, 101775, 115935, 135585, 147375, 169625, 177767, 193225, 225975, 305325, 347805, 376625, 508875, 533301, 579675, 677925, 888835, 966125, 1129875, 1526625, 1599903, 1739025, 2666505, 2898375, 3389625, 4444175, 7999515, 8695125, 13332525, 22220875, 39997575, 66662625, 199987875]

約数ペア:

[(1, 199987875), (3, 66662625), (5, 39997575), (9, 22220875), (15, 13332525), (23, 8695125), (25, 7999515), (45, 4444175), (59, 3389625), (69, 2898375), (75, 2666505), (115, 1739025), (125, 1599903), (131, 1526625), (177, 1129875), (207, 966125), (225, 888835), (295, 677925), (345, 579675), (375, 533301), (393, 508875), (531, 376625), (575, 347805), (655, 305325), (885, 225975), (1035, 193225), (1125, 177767), (1179, 169625), (1357, 147375), (1475, 135585), (1725, 115935), (1965, 101775), (2655, 75325), (2875, 69561), (3013, 66375), (3275, 61065), (4071, 49125), (4425, 45195), (5175, 38645), (5895, 33925), (6785, 29475), (7375, 27117), (7729, 25875), (8625, 23187), (9039, 22125), (9825, 20355), (12213, 16375), (13275, 15065)]