20121241725

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{977}}^1\times {\mathrm{2347}}^1$

素因数の和:3356

約数の個数: 96

約数和(自身を含む): 39864531840

約数和(自身を除く): 19743290115

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 977, 1755, 2347, 2925, 2931, 4885, 7041, 8775, 8793, 11735, 12701, 14655, 21123, 24425, 26379, 30511, 35205, 38103, 43965, 58675, 63369, 63505, 73275, 91533, 105615, 114309, 131895, 152555, 176025, 190515, 219825, 274599, 316845, 317525, 342927, 457665, 528075, 571545, 659475, 762775, 823797, 952575, 1372995, 1584225, 1714635, 2288325, 2293019, 2857725, 4118985, 6864975, 6879057, 8573175, 11465095, 20594925, 20637171, 29809247, 34395285, 57325475, 61911513, 89427741, 103185855, 149046235, 171976425, 268283223, 309557565, 447138705, 515929275, 745231175, 804849669, 1341416115, 1547787825, 2235693525, 4024248345, 6707080575, 20121241725]

約数ペア:

[(1, 20121241725), (3, 6707080575), (5, 4024248345), (9, 2235693525), (13, 1547787825), (15, 1341416115), (25, 804849669), (27, 745231175), (39, 515929275), (45, 447138705), (65, 309557565), (75, 268283223), (117, 171976425), (135, 149046235), (195, 103185855), (225, 89427741), (325, 61911513), (351, 57325475), (585, 34395285), (675, 29809247), (975, 20637171), (977, 20594925), (1755, 11465095), (2347, 8573175), (2925, 6879057), (2931, 6864975), (4885, 4118985), (7041, 2857725), (8775, 2293019), (8793, 2288325), (11735, 1714635), (12701, 1584225), (14655, 1372995), (21123, 952575), (24425, 823797), (26379, 762775), (30511, 659475), (35205, 571545), (38103, 528075), (43965, 457665), (58675, 342927), (63369, 317525), (63505, 316845), (73275, 274599), (91533, 219825), (105615, 190515), (114309, 176025), (131895, 152555)]