2168955

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 3795792

約数和(自身を除く): 1626837

約数列:

[1, 3, 5, 9, 15, 45, 157, 307, 471, 785, 921, 1413, 1535, 2355, 2763, 4605, 7065, 13815, 48199, 144597, 240995, 433791, 722985, 2168955]

約数ペア:

[(1, 2168955), (3, 722985), (5, 433791), (9, 240995), (15, 144597), (45, 48199), (157, 13815), (307, 7065), (471, 4605), (785, 2763), (921, 2355), (1413, 1535)]