23208975

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 44974800

約数和(自身を除く): 21765825

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 61, 75, 89, 95, 171, 183, 225, 267, 285, 305, 445, 475, 549, 801, 855, 915, 1159, 1335, 1425, 1525, 1691, 2225, 2745, 3477, 4005, 4275, 4575, 5073, 5429, 5795, 6675, 8455, 10431, 13725, 15219, 16287, 17385, 20025, 25365, 27145, 28975, 42275, 48861, 52155, 76095, 81435, 86925, 103151, 126825, 135725, 244305, 260775, 309453, 380475, 407175, 515755, 928359, 1221525, 1547265, 2578775, 4641795, 7736325, 23208975]

約数ペア:

[(1, 23208975), (3, 7736325), (5, 4641795), (9, 2578775), (15, 1547265), (19, 1221525), (25, 928359), (45, 515755), (57, 407175), (61, 380475), (75, 309453), (89, 260775), (95, 244305), (171, 135725), (183, 126825), (225, 103151), (267, 86925), (285, 81435), (305, 76095), (445, 52155), (475, 48861), (549, 42275), (801, 28975), (855, 27145), (915, 25365), (1159, 20025), (1335, 17385), (1425, 16287), (1525, 15219), (1691, 13725), (2225, 10431), (2745, 8455), (3477, 6675), (4005, 5795), (4275, 5429), (4575, 5073)]