22920075

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 44259072

約数和(自身を除く): 21338997

約数列:

[1, 3, 5, 9, 15, 23, 25, 43, 45, 69, 75, 103, 115, 129, 207, 215, 225, 309, 345, 387, 515, 575, 645, 927, 989, 1035, 1075, 1545, 1725, 1935, 2369, 2575, 2967, 3225, 4429, 4635, 4945, 5175, 7107, 7725, 8901, 9675, 11845, 13287, 14835, 21321, 22145, 23175, 24725, 35535, 39861, 44505, 59225, 66435, 74175, 101867, 106605, 110725, 177675, 199305, 222525, 305601, 332175, 509335, 533025, 916803, 996525, 1528005, 2546675, 4584015, 7640025, 22920075]

約数ペア:

[(1, 22920075), (3, 7640025), (5, 4584015), (9, 2546675), (15, 1528005), (23, 996525), (25, 916803), (43, 533025), (45, 509335), (69, 332175), (75, 305601), (103, 222525), (115, 199305), (129, 177675), (207, 110725), (215, 106605), (225, 101867), (309, 74175), (345, 66435), (387, 59225), (515, 44505), (575, 39861), (645, 35535), (927, 24725), (989, 23175), (1035, 22145), (1075, 21321), (1545, 14835), (1725, 13287), (1935, 11845), (2369, 9675), (2575, 8901), (2967, 7725), (3225, 7107), (4429, 5175), (4635, 4945)]