12257865

素因数分解:

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

素因数の和:175

約数の個数: 64

約数和(自身を含む): 23500800

約数和(自身を除く): 11242935

約数列:

[1, 3, 5, 9, 15, 27, 29, 31, 45, 87, 93, 101, 135, 145, 155, 261, 279, 303, 435, 465, 505, 783, 837, 899, 909, 1305, 1395, 1515, 2697, 2727, 2929, 3131, 3915, 4185, 4495, 4545, 8091, 8787, 9393, 13485, 13635, 14645, 15655, 24273, 26361, 28179, 40455, 43935, 46965, 79083, 84537, 90799, 121365, 131805, 140895, 272397, 395415, 422685, 453995, 817191, 1361985, 2451573, 4085955, 12257865]

約数ペア:

[(1, 12257865), (3, 4085955), (5, 2451573), (9, 1361985), (15, 817191), (27, 453995), (29, 422685), (31, 395415), (45, 272397), (87, 140895), (93, 131805), (101, 121365), (135, 90799), (145, 84537), (155, 79083), (261, 46965), (279, 43935), (303, 40455), (435, 28179), (465, 26361), (505, 24273), (783, 15655), (837, 14645), (899, 13635), (909, 13485), (1305, 9393), (1395, 8787), (1515, 8091), (2697, 4545), (2727, 4495), (2929, 4185), (3131, 3915)]