64237725

素因数分解:

$3^3\times 5^2\times {\mathrm{59}}^1\times {\mathrm{1613}}^1$

素因数の和:1691

約数の個数: 48

約数和(自身を含む): 120081600

約数和(自身を除く): 55843875

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 59, 75, 135, 177, 225, 295, 531, 675, 885, 1475, 1593, 1613, 2655, 4425, 4839, 7965, 8065, 13275, 14517, 24195, 39825, 40325, 43551, 72585, 95167, 120975, 217755, 285501, 362925, 475835, 856503, 1088775, 1427505, 2379175, 2569509, 4282515, 7137525, 12847545, 21412575, 64237725]

約数ペア:

[(1, 64237725), (3, 21412575), (5, 12847545), (9, 7137525), (15, 4282515), (25, 2569509), (27, 2379175), (45, 1427505), (59, 1088775), (75, 856503), (135, 475835), (177, 362925), (225, 285501), (295, 217755), (531, 120975), (675, 95167), (885, 72585), (1475, 43551), (1593, 40325), (1613, 39825), (2655, 24195), (4425, 14517), (4839, 13275), (7965, 8065)]