408057975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2287}}^1$

素因数の和:2377

約数の個数: 72

約数和(自身を含む): 800351552

約数和(自身を除く): 392293577

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 61, 65, 75, 117, 183, 195, 225, 305, 325, 549, 585, 793, 915, 975, 1525, 2287, 2379, 2745, 2925, 3965, 4575, 6861, 7137, 11435, 11895, 13725, 19825, 20583, 29731, 34305, 35685, 57175, 59475, 89193, 102915, 139507, 148655, 171525, 178425, 267579, 418521, 445965, 514575, 697535, 743275, 1255563, 1337895, 1813591, 2092605, 2229825, 3487675, 5440773, 6277815, 6689475, 9067955, 10463025, 16322319, 27203865, 31389075, 45339775, 81611595, 136019325, 408057975]

約数ペア:

[(1, 408057975), (3, 136019325), (5, 81611595), (9, 45339775), (13, 31389075), (15, 27203865), (25, 16322319), (39, 10463025), (45, 9067955), (61, 6689475), (65, 6277815), (75, 5440773), (117, 3487675), (183, 2229825), (195, 2092605), (225, 1813591), (305, 1337895), (325, 1255563), (549, 743275), (585, 697535), (793, 514575), (915, 445965), (975, 418521), (1525, 267579), (2287, 178425), (2379, 171525), (2745, 148655), (2925, 139507), (3965, 102915), (4575, 89193), (6861, 59475), (7137, 57175), (11435, 35685), (11895, 34305), (13725, 29731), (19825, 20583)]