211057899

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 308985600

約数和(自身を除く): 97927701

約数列:

[1, 3, 13, 39, 109, 131, 327, 379, 393, 1137, 1417, 1703, 4251, 4927, 5109, 14279, 14781, 41311, 42837, 49649, 123933, 148947, 185627, 537043, 556881, 645437, 1611129, 1936311, 5411741, 16235223, 70352633, 211057899]

約数ペア:

[(1, 211057899), (3, 70352633), (13, 16235223), (39, 5411741), (109, 1936311), (131, 1611129), (327, 645437), (379, 556881), (393, 537043), (1137, 185627), (1417, 148947), (1703, 123933), (4251, 49649), (4927, 42837), (5109, 41311), (14279, 14781)]