3871725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:75

約数の個数: 72

約数和(自身を含む): 7936992

約数和(自身を除く): 4065267

約数列:

[1, 3, 5, 11, 13, 15, 19, 25, 33, 39, 55, 57, 65, 75, 95, 143, 165, 195, 209, 247, 275, 285, 325, 361, 429, 475, 627, 715, 741, 825, 975, 1045, 1083, 1235, 1425, 1805, 2145, 2717, 3135, 3575, 3705, 3971, 4693, 5225, 5415, 6175, 8151, 9025, 10725, 11913, 13585, 14079, 15675, 18525, 19855, 23465, 27075, 40755, 51623, 59565, 67925, 70395, 99275, 117325, 154869, 203775, 258115, 297825, 351975, 774345, 1290575, 3871725]

約数ペア:

[(1, 3871725), (3, 1290575), (5, 774345), (11, 351975), (13, 297825), (15, 258115), (19, 203775), (25, 154869), (33, 117325), (39, 99275), (55, 70395), (57, 67925), (65, 59565), (75, 51623), (95, 40755), (143, 27075), (165, 23465), (195, 19855), (209, 18525), (247, 15675), (275, 14079), (285, 13585), (325, 11913), (361, 10725), (429, 9025), (475, 8151), (627, 6175), (715, 5415), (741, 5225), (825, 4693), (975, 3971), (1045, 3705), (1083, 3575), (1235, 3135), (1425, 2717), (1805, 2145)]