816615495

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^2$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 1499659200

約数和(自身を除く): 683043705

約数列:

[1, 3, 5, 9, 15, 29, 45, 79, 87, 89, 145, 237, 261, 267, 395, 435, 445, 711, 801, 1185, 1305, 1335, 2291, 2581, 3555, 4005, 6873, 7031, 7743, 7921, 11455, 12905, 20619, 21093, 23229, 23763, 34365, 35155, 38715, 39605, 63279, 71289, 103095, 105465, 116145, 118815, 203899, 229709, 316395, 356445, 611697, 625759, 689127, 1019495, 1148545, 1835091, 1877277, 2067381, 3058485, 3128795, 3445635, 5631831, 9175455, 9386385, 10336905, 18147011, 28159155, 54441033, 90735055, 163323099, 272205165, 816615495]

約数ペア:

[(1, 816615495), (3, 272205165), (5, 163323099), (9, 90735055), (15, 54441033), (29, 28159155), (45, 18147011), (79, 10336905), (87, 9386385), (89, 9175455), (145, 5631831), (237, 3445635), (261, 3128795), (267, 3058485), (395, 2067381), (435, 1877277), (445, 1835091), (711, 1148545), (801, 1019495), (1185, 689127), (1305, 625759), (1335, 611697), (2291, 356445), (2581, 316395), (3555, 229709), (4005, 203899), (6873, 118815), (7031, 116145), (7743, 105465), (7921, 103095), (11455, 71289), (12905, 63279), (20619, 39605), (21093, 38715), (23229, 35155), (23763, 34365)]