919914093

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 1597596000

約数和(自身を除く): 677681907

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 139, 147, 301, 349, 387, 417, 441, 903, 973, 1047, 1251, 2107, 2443, 2709, 2919, 3141, 5977, 6321, 6811, 7329, 8757, 15007, 17101, 17931, 18963, 20433, 21987, 41839, 45021, 48511, 51303, 53793, 61299, 105049, 125517, 135063, 145533, 153909, 292873, 315147, 339577, 376551, 436599, 735343, 878619, 945441, 1018731, 2085973, 2206029, 2377039, 2635857, 3056193, 6257919, 6618087, 7131117, 14601811, 18773757, 21393351, 43805433, 102212677, 131416299, 306638031, 919914093]

約数ペア:

[(1, 919914093), (3, 306638031), (7, 131416299), (9, 102212677), (21, 43805433), (43, 21393351), (49, 18773757), (63, 14601811), (129, 7131117), (139, 6618087), (147, 6257919), (301, 3056193), (349, 2635857), (387, 2377039), (417, 2206029), (441, 2085973), (903, 1018731), (973, 945441), (1047, 878619), (1251, 735343), (2107, 436599), (2443, 376551), (2709, 339577), (2919, 315147), (3141, 292873), (5977, 153909), (6321, 145533), (6811, 135063), (7329, 125517), (8757, 105049), (15007, 61299), (17101, 53793), (17931, 51303), (18963, 48511), (20433, 45021), (21987, 41839)]