517708725

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 942796800

約数和(自身を除く): 425088075

約数列:

[1, 3, 5, 15, 23, 25, 29, 69, 75, 79, 87, 115, 131, 145, 237, 345, 393, 395, 435, 575, 655, 667, 725, 1185, 1725, 1817, 1965, 1975, 2001, 2175, 2291, 3013, 3275, 3335, 3799, 5451, 5925, 6873, 9039, 9085, 9825, 10005, 10349, 11397, 11455, 15065, 16675, 18995, 27255, 31047, 34365, 45195, 45425, 50025, 51745, 52693, 56985, 57275, 75325, 87377, 94975, 136275, 155235, 158079, 171825, 225975, 238027, 258725, 262131, 263465, 284925, 300121, 436885, 714081, 776175, 790395, 900363, 1190135, 1310655, 1317325, 1500605, 2184425, 3570405, 3951975, 4501815, 5950675, 6553275, 6902783, 7503025, 17852025, 20708349, 22509075, 34513915, 103541745, 172569575, 517708725]

約数ペア:

[(1, 517708725), (3, 172569575), (5, 103541745), (15, 34513915), (23, 22509075), (25, 20708349), (29, 17852025), (69, 7503025), (75, 6902783), (79, 6553275), (87, 5950675), (115, 4501815), (131, 3951975), (145, 3570405), (237, 2184425), (345, 1500605), (393, 1317325), (395, 1310655), (435, 1190135), (575, 900363), (655, 790395), (667, 776175), (725, 714081), (1185, 436885), (1725, 300121), (1817, 284925), (1965, 263465), (1975, 262131), (2001, 258725), (2175, 238027), (2291, 225975), (3013, 171825), (3275, 158079), (3335, 155235), (3799, 136275), (5451, 94975), (5925, 87377), (6873, 75325), (9039, 57275), (9085, 56985), (9825, 52693), (10005, 51745), (10349, 50025), (11397, 45425), (11455, 45195), (15065, 34365), (16675, 31047), (18995, 27255)]