56631519

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 97843200

約数和(自身を除く): 41211681

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 139, 203, 223, 261, 417, 609, 669, 973, 1251, 1561, 1827, 2007, 2919, 4031, 4683, 6467, 8757, 12093, 14049, 19401, 28217, 30997, 36279, 45269, 58203, 84651, 92991, 135807, 216979, 253953, 278973, 407421, 650937, 898913, 1952811, 2696739, 6292391, 8090217, 18877173, 56631519]

約数ペア:

[(1, 56631519), (3, 18877173), (7, 8090217), (9, 6292391), (21, 2696739), (29, 1952811), (63, 898913), (87, 650937), (139, 407421), (203, 278973), (223, 253953), (261, 216979), (417, 135807), (609, 92991), (669, 84651), (973, 58203), (1251, 45269), (1561, 36279), (1827, 30997), (2007, 28217), (2919, 19401), (4031, 14049), (4683, 12093), (6467, 8757)]