25873965

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 51770880

約数和(自身を除く): 25896915

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 115, 117, 135, 195, 207, 299, 345, 351, 585, 621, 641, 897, 1035, 1495, 1755, 1923, 2691, 3105, 3205, 4485, 5769, 8073, 8333, 9615, 13455, 14743, 17307, 24999, 28845, 40365, 41665, 44229, 73715, 74997, 86535, 124995, 132687, 191659, 221145, 224991, 374985, 398061, 574977, 663435, 958295, 1124955, 1724931, 1990305, 2874885, 5174793, 8624655, 25873965]

約数ペア:

[(1, 25873965), (3, 8624655), (5, 5174793), (9, 2874885), (13, 1990305), (15, 1724931), (23, 1124955), (27, 958295), (39, 663435), (45, 574977), (65, 398061), (69, 374985), (115, 224991), (117, 221145), (135, 191659), (195, 132687), (207, 124995), (299, 86535), (345, 74997), (351, 73715), (585, 44229), (621, 41665), (641, 40365), (897, 28845), (1035, 24999), (1495, 17307), (1755, 14743), (1923, 13455), (2691, 9615), (3105, 8333), (3205, 8073), (4485, 5769)]