208029825

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:759

約数の個数: 72

約数和(自身を含む): 395778240

約数和(自身を除く): 187748415

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 61, 69, 75, 115, 183, 207, 225, 305, 345, 549, 575, 659, 915, 1035, 1403, 1525, 1725, 1977, 2745, 3295, 4209, 4575, 5175, 5931, 7015, 9885, 12627, 13725, 15157, 16475, 21045, 29655, 35075, 40199, 45471, 49425, 63135, 75785, 105225, 120597, 136413, 148275, 200995, 227355, 315675, 361791, 378925, 602985, 682065, 924577, 1004975, 1136775, 1808955, 2773731, 3014925, 3410325, 4622885, 8321193, 9044775, 13868655, 23114425, 41605965, 69343275, 208029825]

約数ペア:

[(1, 208029825), (3, 69343275), (5, 41605965), (9, 23114425), (15, 13868655), (23, 9044775), (25, 8321193), (45, 4622885), (61, 3410325), (69, 3014925), (75, 2773731), (115, 1808955), (183, 1136775), (207, 1004975), (225, 924577), (305, 682065), (345, 602985), (549, 378925), (575, 361791), (659, 315675), (915, 227355), (1035, 200995), (1403, 148275), (1525, 136413), (1725, 120597), (1977, 105225), (2745, 75785), (3295, 63135), (4209, 49425), (4575, 45471), (5175, 40199), (5931, 35075), (7015, 29655), (9885, 21045), (12627, 16475), (13725, 15157)]