51211875

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:238

約数の個数: 80

約数和(自身を含む): 100767744

約数和(自身を除く): 49555869

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 125, 143, 165, 191, 195, 275, 325, 375, 429, 573, 625, 715, 825, 955, 975, 1375, 1625, 1875, 2101, 2145, 2483, 2865, 3575, 4125, 4775, 4875, 6303, 6875, 7449, 8125, 10505, 10725, 12415, 14325, 17875, 20625, 23875, 24375, 27313, 31515, 37245, 52525, 53625, 62075, 71625, 81939, 89375, 119375, 136565, 157575, 186225, 262625, 268125, 310375, 358125, 409695, 682825, 787875, 931125, 1313125, 1551875, 2048475, 3414125, 3939375, 4655625, 10242375, 17070625, 51211875]

約数ペア:

[(1, 51211875), (3, 17070625), (5, 10242375), (11, 4655625), (13, 3939375), (15, 3414125), (25, 2048475), (33, 1551875), (39, 1313125), (55, 931125), (65, 787875), (75, 682825), (125, 409695), (143, 358125), (165, 310375), (191, 268125), (195, 262625), (275, 186225), (325, 157575), (375, 136565), (429, 119375), (573, 89375), (625, 81939), (715, 71625), (825, 62075), (955, 53625), (975, 52525), (1375, 37245), (1625, 31515), (1875, 27313), (2101, 24375), (2145, 23875), (2483, 20625), (2865, 17875), (3575, 14325), (4125, 12415), (4775, 10725), (4875, 10505), (6303, 8125), (6875, 7449)]