197487825

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 352525056

約数和(自身を除く): 155037231

約数列:

[1, 3, 5, 15, 25, 29, 31, 75, 87, 93, 101, 145, 155, 303, 435, 465, 505, 725, 775, 841, 899, 1515, 2175, 2325, 2523, 2525, 2697, 2929, 3131, 4205, 4495, 7575, 8787, 9393, 12615, 13485, 14645, 15655, 21025, 22475, 26071, 43935, 46965, 63075, 67425, 73225, 78213, 78275, 84941, 90799, 130355, 219675, 234825, 254823, 272397, 391065, 424705, 453995, 651775, 1274115, 1361985, 1955325, 2123525, 2269975, 2633171, 6370575, 6809925, 7899513, 13165855, 39497565, 65829275, 197487825]

約数ペア:

[(1, 197487825), (3, 65829275), (5, 39497565), (15, 13165855), (25, 7899513), (29, 6809925), (31, 6370575), (75, 2633171), (87, 2269975), (93, 2123525), (101, 1955325), (145, 1361985), (155, 1274115), (303, 651775), (435, 453995), (465, 424705), (505, 391065), (725, 272397), (775, 254823), (841, 234825), (899, 219675), (1515, 130355), (2175, 90799), (2325, 84941), (2523, 78275), (2525, 78213), (2697, 73225), (2929, 67425), (3131, 63075), (4205, 46965), (4495, 43935), (7575, 26071), (8787, 22475), (9393, 21025), (12615, 15655), (13485, 14645)]