64879875

素因数分解:

$3^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{571}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 118321632

約数和(自身を除く): 53441757

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 101, 125, 225, 303, 375, 505, 571, 909, 1125, 1515, 1713, 2525, 2855, 4545, 5139, 7575, 8565, 12625, 14275, 22725, 25695, 37875, 42825, 57671, 71375, 113625, 128475, 173013, 214125, 288355, 519039, 642375, 865065, 1441775, 2595195, 4325325, 7208875, 12975975, 21626625, 64879875]

約数ペア:

[(1, 64879875), (3, 21626625), (5, 12975975), (9, 7208875), (15, 4325325), (25, 2595195), (45, 1441775), (75, 865065), (101, 642375), (125, 519039), (225, 288355), (303, 214125), (375, 173013), (505, 128475), (571, 113625), (909, 71375), (1125, 57671), (1515, 42825), (1713, 37875), (2525, 25695), (2855, 22725), (4545, 14275), (5139, 12625), (7575, 8565)]