72320985

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1627

約数の個数: 64

約数和(自身を含む): 144875520

約数和(自身を除く): 72554535

約数列:

[1, 3, 5, 9, 11, 15, 27, 31, 33, 45, 55, 93, 99, 135, 155, 165, 279, 297, 341, 465, 495, 837, 1023, 1395, 1485, 1571, 1705, 3069, 4185, 4713, 5115, 7855, 9207, 14139, 15345, 17281, 23565, 42417, 46035, 48701, 51843, 70695, 86405, 146103, 155529, 212085, 243505, 259215, 438309, 466587, 535711, 730515, 777645, 1314927, 1607133, 2191545, 2332935, 2678555, 4821399, 6574635, 8035665, 14464197, 24106995, 72320985]

約数ペア:

[(1, 72320985), (3, 24106995), (5, 14464197), (9, 8035665), (11, 6574635), (15, 4821399), (27, 2678555), (31, 2332935), (33, 2191545), (45, 1607133), (55, 1314927), (93, 777645), (99, 730515), (135, 535711), (155, 466587), (165, 438309), (279, 259215), (297, 243505), (341, 212085), (465, 155529), (495, 146103), (837, 86405), (1023, 70695), (1395, 51843), (1485, 48701), (1571, 46035), (1705, 42417), (3069, 23565), (4185, 17281), (4713, 15345), (5115, 14139), (7855, 9207)]