65218419

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 116505600

約数和(自身を除く): 51287181

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 73, 87, 163, 189, 203, 219, 261, 489, 511, 609, 657, 783, 1141, 1467, 1533, 1827, 1971, 2117, 3423, 4401, 4599, 4727, 5481, 6351, 10269, 11899, 13797, 14181, 14819, 19053, 30807, 33089, 35697, 42543, 44457, 57159, 83293, 99267, 107091, 127629, 133371, 249879, 297801, 321273, 345071, 400113, 749637, 893403, 1035213, 2248911, 2415497, 3105639, 7246491, 9316917, 21739473, 65218419]

約数ペア:

[(1, 65218419), (3, 21739473), (7, 9316917), (9, 7246491), (21, 3105639), (27, 2415497), (29, 2248911), (63, 1035213), (73, 893403), (87, 749637), (163, 400113), (189, 345071), (203, 321273), (219, 297801), (261, 249879), (489, 133371), (511, 127629), (609, 107091), (657, 99267), (783, 83293), (1141, 57159), (1467, 44457), (1533, 42543), (1827, 35697), (1971, 33089), (2117, 30807), (3423, 19053), (4401, 14819), (4599, 14181), (4727, 13797), (5481, 11899), (6351, 10269)]