66221355

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 116121600

約数和(自身を除く): 49900245

約数列:

[1, 3, 5, 15, 29, 41, 47, 79, 87, 123, 141, 145, 205, 235, 237, 395, 435, 615, 705, 1185, 1189, 1363, 1927, 2291, 3239, 3567, 3713, 4089, 5781, 5945, 6815, 6873, 9635, 9717, 11139, 11455, 16195, 17835, 18565, 20445, 28905, 34365, 48585, 55695, 55883, 93931, 107677, 152233, 167649, 279415, 281793, 323031, 456699, 469655, 538385, 761165, 838245, 1408965, 1615155, 2283495, 4414757, 13244271, 22073785, 66221355]

約数ペア:

[(1, 66221355), (3, 22073785), (5, 13244271), (15, 4414757), (29, 2283495), (41, 1615155), (47, 1408965), (79, 838245), (87, 761165), (123, 538385), (141, 469655), (145, 456699), (205, 323031), (235, 281793), (237, 279415), (395, 167649), (435, 152233), (615, 107677), (705, 93931), (1185, 55883), (1189, 55695), (1363, 48585), (1927, 34365), (2291, 28905), (3239, 20445), (3567, 18565), (3713, 17835), (4089, 16195), (5781, 11455), (5945, 11139), (6815, 9717), (6873, 9635)]