15905079

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 25727520

約数和(自身を除く): 9822441

約数列:

[1, 3, 9, 27, 29, 37, 61, 81, 87, 111, 183, 243, 261, 333, 549, 783, 999, 1073, 1647, 1769, 2257, 2349, 2997, 3219, 4941, 5307, 6771, 7047, 8991, 9657, 14823, 15921, 20313, 28971, 47763, 60939, 65453, 86913, 143289, 182817, 196359, 260739, 429867, 548451, 589077, 1767231, 5301693, 15905079]

約数ペア:

[(1, 15905079), (3, 5301693), (9, 1767231), (27, 589077), (29, 548451), (37, 429867), (61, 260739), (81, 196359), (87, 182817), (111, 143289), (183, 86913), (243, 65453), (261, 60939), (333, 47763), (549, 28971), (783, 20313), (999, 15921), (1073, 14823), (1647, 9657), (1769, 8991), (2257, 7047), (2349, 6771), (2997, 5307), (3219, 4941)]