90971601

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{431}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 152893440

約数和(自身を除く): 61921839

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 431, 437, 483, 529, 1293, 1311, 1587, 3017, 3059, 3703, 8189, 9051, 9177, 9913, 10051, 11109, 24567, 29739, 30153, 57323, 69391, 70357, 171969, 188347, 208173, 211071, 227999, 565041, 683997, 1318429, 1595993, 3955287, 4331981, 4787979, 12995943, 30323867, 90971601]

約数ペア:

[(1, 90971601), (3, 30323867), (7, 12995943), (19, 4787979), (21, 4331981), (23, 3955287), (57, 1595993), (69, 1318429), (133, 683997), (161, 565041), (399, 227999), (431, 211071), (437, 208173), (483, 188347), (529, 171969), (1293, 70357), (1311, 69391), (1587, 57323), (3017, 30153), (3059, 29739), (3703, 24567), (8189, 11109), (9051, 10051), (9177, 9913)]