881978769

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 1593446400

約数和(自身を除く): 711467631

約数列:

[1, 3, 7, 9, 21, 23, 29, 63, 69, 87, 139, 151, 161, 203, 207, 261, 417, 453, 483, 609, 667, 973, 1057, 1251, 1359, 1449, 1827, 2001, 2919, 3171, 3197, 3473, 4031, 4379, 4669, 6003, 8757, 9513, 9591, 10419, 12093, 13137, 14007, 20989, 22379, 24311, 28217, 28773, 30653, 31257, 36279, 39411, 42021, 62967, 67137, 72933, 84651, 91959, 92713, 100717, 146923, 188901, 201411, 218799, 253953, 275877, 278139, 302151, 440769, 482747, 608681, 648991, 705019, 834417, 906453, 1322307, 1448241, 1826043, 1946973, 2115057, 3379229, 4260767, 4344723, 5478129, 5840919, 6345171, 10137687, 12782301, 13999663, 30413061, 38346903, 41998989, 97997641, 125996967, 293992923, 881978769]

約数ペア:

[(1, 881978769), (3, 293992923), (7, 125996967), (9, 97997641), (21, 41998989), (23, 38346903), (29, 30413061), (63, 13999663), (69, 12782301), (87, 10137687), (139, 6345171), (151, 5840919), (161, 5478129), (203, 4344723), (207, 4260767), (261, 3379229), (417, 2115057), (453, 1946973), (483, 1826043), (609, 1448241), (667, 1322307), (973, 906453), (1057, 834417), (1251, 705019), (1359, 648991), (1449, 608681), (1827, 482747), (2001, 440769), (2919, 302151), (3171, 278139), (3197, 275877), (3473, 253953), (4031, 218799), (4379, 201411), (4669, 188901), (6003, 146923), (8757, 100717), (9513, 92713), (9591, 91959), (10419, 84651), (12093, 72933), (13137, 67137), (14007, 62967), (20989, 42021), (22379, 39411), (24311, 36279), (28217, 31257), (28773, 30653)]