5211225

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 10445760

約数和(自身を除く): 5234535

約数列:

[1, 3, 5, 9, 15, 19, 23, 25, 45, 53, 57, 69, 75, 95, 115, 159, 171, 207, 225, 265, 285, 345, 437, 475, 477, 575, 795, 855, 1007, 1035, 1219, 1311, 1325, 1425, 1725, 2185, 2385, 3021, 3657, 3933, 3975, 4275, 5035, 5175, 6095, 6555, 9063, 10925, 10971, 11925, 15105, 18285, 19665, 23161, 25175, 30475, 32775, 45315, 54855, 69483, 75525, 91425, 98325, 115805, 208449, 226575, 274275, 347415, 579025, 1042245, 1737075, 5211225]

約数ペア:

[(1, 5211225), (3, 1737075), (5, 1042245), (9, 579025), (15, 347415), (19, 274275), (23, 226575), (25, 208449), (45, 115805), (53, 98325), (57, 91425), (69, 75525), (75, 69483), (95, 54855), (115, 45315), (159, 32775), (171, 30475), (207, 25175), (225, 23161), (265, 19665), (285, 18285), (345, 15105), (437, 11925), (475, 10971), (477, 10925), (575, 9063), (795, 6555), (855, 6095), (1007, 5175), (1035, 5035), (1219, 4275), (1311, 3975), (1325, 3933), (1425, 3657), (1725, 3021), (2185, 2385)]