28160715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1657}}^1$

素因数の和:1779

約数の個数: 32

約数和(自身を含む): 49660416

約数和(自身を除く): 21499701

約数列:

[1, 3, 5, 11, 15, 33, 55, 103, 165, 309, 515, 1133, 1545, 1657, 3399, 4971, 5665, 8285, 16995, 18227, 24855, 54681, 91135, 170671, 273405, 512013, 853355, 1877381, 2560065, 5632143, 9386905, 28160715]

約数ペア:

[(1, 28160715), (3, 9386905), (5, 5632143), (11, 2560065), (15, 1877381), (33, 853355), (55, 512013), (103, 273405), (165, 170671), (309, 91135), (515, 54681), (1133, 24855), (1545, 18227), (1657, 16995), (3399, 8285), (4971, 5665)]