81070515

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 157921920

約数和(自身を除く): 76851405

約数列:

[1, 3, 5, 9, 15, 23, 29, 37, 45, 69, 73, 87, 111, 115, 145, 185, 207, 219, 261, 333, 345, 365, 435, 555, 657, 667, 851, 1035, 1073, 1095, 1305, 1665, 1679, 2001, 2117, 2553, 2701, 3219, 3285, 3335, 4255, 5037, 5365, 6003, 6351, 7659, 8103, 8395, 9657, 10005, 10585, 12765, 13505, 15111, 16095, 19053, 24309, 24679, 25185, 30015, 31755, 38295, 40515, 48285, 48691, 62123, 74037, 75555, 78329, 95265, 121545, 123395, 146073, 186369, 222111, 234987, 243455, 310615, 370185, 391645, 438219, 559107, 704961, 730365, 931845, 1110555, 1174935, 1801567, 2191095, 2795535, 3524805, 5404701, 9007835, 16214103, 27023505, 81070515]

約数ペア:

[(1, 81070515), (3, 27023505), (5, 16214103), (9, 9007835), (15, 5404701), (23, 3524805), (29, 2795535), (37, 2191095), (45, 1801567), (69, 1174935), (73, 1110555), (87, 931845), (111, 730365), (115, 704961), (145, 559107), (185, 438219), (207, 391645), (219, 370185), (261, 310615), (333, 243455), (345, 234987), (365, 222111), (435, 186369), (555, 146073), (657, 123395), (667, 121545), (851, 95265), (1035, 78329), (1073, 75555), (1095, 74037), (1305, 62123), (1665, 48691), (1679, 48285), (2001, 40515), (2117, 38295), (2553, 31755), (2701, 30015), (3219, 25185), (3285, 24679), (3335, 24309), (4255, 19053), (5037, 16095), (5365, 15111), (6003, 13505), (6351, 12765), (7659, 10585), (8103, 10005), (8395, 9657)]