71259975

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 136697600

約数和(自身を除く): 65437625

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 79, 95, 171, 211, 225, 237, 285, 395, 475, 633, 711, 855, 1055, 1185, 1425, 1501, 1899, 1975, 3165, 3555, 4009, 4275, 4503, 5275, 5925, 7505, 9495, 12027, 13509, 15825, 16669, 17775, 20045, 22515, 36081, 37525, 47475, 50007, 60135, 67545, 83345, 100225, 112575, 150021, 180405, 250035, 300675, 316711, 337725, 416725, 750105, 902025, 950133, 1250175, 1583555, 2850399, 3750525, 4750665, 7917775, 14251995, 23753325, 71259975]

約数ペア:

[(1, 71259975), (3, 23753325), (5, 14251995), (9, 7917775), (15, 4750665), (19, 3750525), (25, 2850399), (45, 1583555), (57, 1250175), (75, 950133), (79, 902025), (95, 750105), (171, 416725), (211, 337725), (225, 316711), (237, 300675), (285, 250035), (395, 180405), (475, 150021), (633, 112575), (711, 100225), (855, 83345), (1055, 67545), (1185, 60135), (1425, 50007), (1501, 47475), (1899, 37525), (1975, 36081), (3165, 22515), (3555, 20045), (4009, 17775), (4275, 16669), (4503, 15825), (5275, 13509), (5925, 12027), (7505, 9495)]