2506815

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 4608000

約数和(自身を除く): 2101185

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 599, 837, 1395, 1797, 2995, 4185, 5391, 8985, 16173, 18569, 26955, 55707, 80865, 92845, 167121, 278535, 501363, 835605, 2506815]

約数ペア:

[(1, 2506815), (3, 835605), (5, 501363), (9, 278535), (15, 167121), (27, 92845), (31, 80865), (45, 55707), (93, 26955), (135, 18569), (155, 16173), (279, 8985), (465, 5391), (599, 4185), (837, 2995), (1395, 1797)]