171121725

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:851

約数の個数: 72

約数和(自身を含む): 327687360

約数和(自身を除く): 156565635

約数列:

[1, 3, 5, 9, 15, 23, 25, 43, 45, 69, 75, 115, 129, 207, 215, 225, 345, 387, 575, 645, 769, 989, 1035, 1075, 1725, 1935, 2307, 2967, 3225, 3845, 4945, 5175, 6921, 8901, 9675, 11535, 14835, 17687, 19225, 24725, 33067, 34605, 44505, 53061, 57675, 74175, 88435, 99201, 159183, 165335, 173025, 222525, 265305, 297603, 442175, 496005, 760541, 795915, 826675, 1326525, 1488015, 2281623, 2480025, 3802705, 3979575, 6844869, 7440075, 11408115, 19013525, 34224345, 57040575, 171121725]

約数ペア:

[(1, 171121725), (3, 57040575), (5, 34224345), (9, 19013525), (15, 11408115), (23, 7440075), (25, 6844869), (43, 3979575), (45, 3802705), (69, 2480025), (75, 2281623), (115, 1488015), (129, 1326525), (207, 826675), (215, 795915), (225, 760541), (345, 496005), (387, 442175), (575, 297603), (645, 265305), (769, 222525), (989, 173025), (1035, 165335), (1075, 159183), (1725, 99201), (1935, 88435), (2307, 74175), (2967, 57675), (3225, 53061), (3845, 44505), (4945, 34605), (5175, 33067), (6921, 24725), (8901, 19225), (9675, 17687), (11535, 14835)]