2643375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:97

約数の個数: 64

約数和(自身を含む): 5391360

約数和(自身を除く): 2747985

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 53, 57, 75, 95, 105, 125, 133, 159, 175, 265, 285, 371, 375, 399, 475, 525, 665, 795, 875, 1007, 1113, 1325, 1425, 1855, 1995, 2375, 2625, 3021, 3325, 3975, 5035, 5565, 6625, 7049, 7125, 9275, 9975, 15105, 16625, 19875, 21147, 25175, 27825, 35245, 46375, 49875, 75525, 105735, 125875, 139125, 176225, 377625, 528675, 881125, 2643375]

約数ペア:

[(1, 2643375), (3, 881125), (5, 528675), (7, 377625), (15, 176225), (19, 139125), (21, 125875), (25, 105735), (35, 75525), (53, 49875), (57, 46375), (75, 35245), (95, 27825), (105, 25175), (125, 21147), (133, 19875), (159, 16625), (175, 15105), (265, 9975), (285, 9275), (371, 7125), (375, 7049), (399, 6625), (475, 5565), (525, 5035), (665, 3975), (795, 3325), (875, 3021), (1007, 2625), (1113, 2375), (1325, 1995), (1425, 1855)]