28523313

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 96

約数和(自身を含む): 56217600

約数和(自身を除く): 27694287

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 47, 57, 63, 91, 117, 133, 141, 169, 171, 189, 247, 273, 329, 351, 399, 423, 507, 513, 611, 741, 819, 893, 987, 1183, 1197, 1269, 1521, 1729, 1833, 2223, 2457, 2679, 2961, 3211, 3549, 3591, 4277, 4563, 5187, 5499, 6251, 6669, 7943, 8037, 8883, 9633, 10647, 11609, 12831, 15561, 16497, 18753, 22477, 23829, 24111, 28899, 31941, 34827, 38493, 46683, 55601, 56259, 67431, 71487, 81263, 86697, 104481, 115479, 150917, 166803, 168777, 202293, 214461, 243789, 313443, 452751, 500409, 606879, 731367, 1056419, 1358253, 1501227, 2194101, 3169257, 4074759, 9507771, 28523313]

約数ペア:

[(1, 28523313), (3, 9507771), (7, 4074759), (9, 3169257), (13, 2194101), (19, 1501227), (21, 1358253), (27, 1056419), (39, 731367), (47, 606879), (57, 500409), (63, 452751), (91, 313443), (117, 243789), (133, 214461), (141, 202293), (169, 168777), (171, 166803), (189, 150917), (247, 115479), (273, 104481), (329, 86697), (351, 81263), (399, 71487), (423, 67431), (507, 56259), (513, 55601), (611, 46683), (741, 38493), (819, 34827), (893, 31941), (987, 28899), (1183, 24111), (1197, 23829), (1269, 22477), (1521, 18753), (1729, 16497), (1833, 15561), (2223, 12831), (2457, 11609), (2679, 10647), (2961, 9633), (3211, 8883), (3549, 8037), (3591, 7943), (4277, 6669), (4563, 6251), (5187, 5499)]