23198895

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 41850432

約数和(自身を除く): 18651537

約数列:

[1, 3, 5, 9, 15, 45, 53, 71, 137, 159, 213, 265, 355, 411, 477, 639, 685, 795, 1065, 1233, 2055, 2385, 3195, 3763, 6165, 7261, 9727, 11289, 18815, 21783, 29181, 33867, 36305, 48635, 56445, 65349, 87543, 108915, 145905, 169335, 326745, 437715, 515531, 1546593, 2577655, 4639779, 7732965, 23198895]

約数ペア:

[(1, 23198895), (3, 7732965), (5, 4639779), (9, 2577655), (15, 1546593), (45, 515531), (53, 437715), (71, 326745), (137, 169335), (159, 145905), (213, 108915), (265, 87543), (355, 65349), (411, 56445), (477, 48635), (639, 36305), (685, 33867), (795, 29181), (1065, 21783), (1233, 18815), (2055, 11289), (2385, 9727), (3195, 7261), (3763, 6165)]