81533655

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{239}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 175564800

約数和(自身を除く): 94031145

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 95, 105, 133, 135, 171, 189, 239, 285, 315, 361, 399, 513, 665, 717, 855, 945, 1083, 1195, 1197, 1673, 1805, 1995, 2151, 2527, 2565, 3249, 3585, 3591, 4541, 5019, 5415, 5985, 6453, 7581, 8365, 9747, 10755, 12635, 13623, 15057, 16245, 17955, 22705, 22743, 25095, 31787, 32265, 37905, 40869, 45171, 48735, 68115, 68229, 75285, 86279, 95361, 113715, 122607, 158935, 204345, 225855, 258837, 286083, 341145, 431395, 476805, 603953, 613035, 776511, 858249, 1294185, 1430415, 1811859, 2329533, 3019765, 3882555, 4291245, 5435577, 9059295, 11647665, 16306731, 27177885, 81533655]

約数ペア:

[(1, 81533655), (3, 27177885), (5, 16306731), (7, 11647665), (9, 9059295), (15, 5435577), (19, 4291245), (21, 3882555), (27, 3019765), (35, 2329533), (45, 1811859), (57, 1430415), (63, 1294185), (95, 858249), (105, 776511), (133, 613035), (135, 603953), (171, 476805), (189, 431395), (239, 341145), (285, 286083), (315, 258837), (361, 225855), (399, 204345), (513, 158935), (665, 122607), (717, 113715), (855, 95361), (945, 86279), (1083, 75285), (1195, 68229), (1197, 68115), (1673, 48735), (1805, 45171), (1995, 40869), (2151, 37905), (2527, 32265), (2565, 31787), (3249, 25095), (3585, 22743), (3591, 22705), (4541, 17955), (5019, 16245), (5415, 15057), (5985, 13623), (6453, 12635), (7581, 10755), (8365, 9747)]