28581597

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 47523840

約数和(自身を除く): 18942243

約数列:

[1, 3, 9, 11, 31, 33, 67, 93, 99, 139, 201, 279, 341, 417, 603, 737, 1023, 1251, 1529, 2077, 2211, 3069, 4309, 4587, 6231, 6633, 9313, 12927, 13761, 18693, 22847, 27939, 38781, 47399, 68541, 83817, 102443, 142197, 205623, 288703, 307329, 426591, 866109, 921987, 2598327, 3175733, 9527199, 28581597]

約数ペア:

[(1, 28581597), (3, 9527199), (9, 3175733), (11, 2598327), (31, 921987), (33, 866109), (67, 426591), (93, 307329), (99, 288703), (139, 205623), (201, 142197), (279, 102443), (341, 83817), (417, 68541), (603, 47399), (737, 38781), (1023, 27939), (1251, 22847), (1529, 18693), (2077, 13761), (2211, 12927), (3069, 9313), (4309, 6633), (4587, 6231)]