81423045

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1597}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 155555712

約数和(自身を除く): 74132667

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 103, 165, 309, 495, 515, 927, 1133, 1545, 1597, 3399, 4635, 4791, 5665, 7985, 10197, 14373, 16995, 17567, 23955, 50985, 52701, 71865, 87835, 158103, 164491, 263505, 493473, 790515, 822455, 1480419, 1809401, 2467365, 5428203, 7402095, 9047005, 16284609, 27141015, 81423045]

約数ペア:

[(1, 81423045), (3, 27141015), (5, 16284609), (9, 9047005), (11, 7402095), (15, 5428203), (33, 2467365), (45, 1809401), (55, 1480419), (99, 822455), (103, 790515), (165, 493473), (309, 263505), (495, 164491), (515, 158103), (927, 87835), (1133, 71865), (1545, 52701), (1597, 50985), (3399, 23955), (4635, 17567), (4791, 16995), (5665, 14373), (7985, 10197)]