28628631

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 42357744

約数和(自身を除く): 13729113

約数列:

[1, 3, 9, 67, 197, 201, 241, 591, 603, 723, 1773, 2169, 13199, 16147, 39597, 47477, 48441, 118791, 142431, 145323, 427293, 3180959, 9542877, 28628631]

約数ペア:

[(1, 28628631), (3, 9542877), (9, 3180959), (67, 427293), (197, 145323), (201, 142431), (241, 118791), (591, 48441), (603, 47477), (723, 39597), (1773, 16147), (2169, 13199)]