61131015

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 118678560

約数和(自身を除く): 57547545

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 103, 109, 121, 165, 309, 327, 363, 495, 515, 545, 605, 927, 981, 1089, 1133, 1199, 1545, 1635, 1815, 3399, 3597, 4635, 4905, 5445, 5665, 5995, 10197, 10791, 11227, 12463, 13189, 16995, 17985, 33681, 37389, 39567, 50985, 53955, 56135, 62315, 65945, 101043, 112167, 118701, 123497, 168405, 186945, 197835, 370491, 505215, 560835, 593505, 617485, 1111473, 1358467, 1852455, 4075401, 5557365, 6792335, 12226203, 20377005, 61131015]

約数ペア:

[(1, 61131015), (3, 20377005), (5, 12226203), (9, 6792335), (11, 5557365), (15, 4075401), (33, 1852455), (45, 1358467), (55, 1111473), (99, 617485), (103, 593505), (109, 560835), (121, 505215), (165, 370491), (309, 197835), (327, 186945), (363, 168405), (495, 123497), (515, 118701), (545, 112167), (605, 101043), (927, 65945), (981, 62315), (1089, 56135), (1133, 53955), (1199, 50985), (1545, 39567), (1635, 37389), (1815, 33681), (3399, 17985), (3597, 16995), (4635, 13189), (4905, 12463), (5445, 11227), (5665, 10791), (5995, 10197)]