681421323

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 1073479680

約数和(自身を除く): 392058357

約数列:

[1, 3, 11, 29, 31, 33, 87, 93, 103, 223, 309, 319, 341, 669, 899, 957, 1023, 1133, 2453, 2697, 2987, 3193, 3399, 6467, 6913, 7359, 8961, 9579, 9889, 19401, 20739, 22969, 29667, 32857, 35123, 68907, 71137, 76043, 92597, 98571, 105369, 200477, 213411, 228129, 252659, 277791, 601431, 666101, 712039, 757977, 1018567, 1998303, 2136117, 2205247, 3055701, 6615741, 7327111, 7832429, 20649131, 21981333, 23497287, 61947393, 227140441, 681421323]

約数ペア:

[(1, 681421323), (3, 227140441), (11, 61947393), (29, 23497287), (31, 21981333), (33, 20649131), (87, 7832429), (93, 7327111), (103, 6615741), (223, 3055701), (309, 2205247), (319, 2136117), (341, 1998303), (669, 1018567), (899, 757977), (957, 712039), (1023, 666101), (1133, 601431), (2453, 277791), (2697, 252659), (2987, 228129), (3193, 213411), (3399, 200477), (6467, 105369), (6913, 98571), (7359, 92597), (8961, 76043), (9579, 71137), (9889, 68907), (19401, 35123), (20739, 32857), (22969, 29667)]