72980145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1213}}^1$

素因数の和:1422

約数の個数: 48

約数和(自身を含む): 145446912

約数和(自身を除く): 72466767

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 191, 315, 573, 955, 1213, 1337, 1719, 2865, 3639, 4011, 6065, 6685, 8491, 8595, 10917, 12033, 18195, 20055, 25473, 42455, 54585, 60165, 76419, 127365, 231683, 382095, 695049, 1158415, 1621781, 2085147, 3475245, 4865343, 8108905, 10425735, 14596029, 24326715, 72980145]

約数ペア:

[(1, 72980145), (3, 24326715), (5, 14596029), (7, 10425735), (9, 8108905), (15, 4865343), (21, 3475245), (35, 2085147), (45, 1621781), (63, 1158415), (105, 695049), (191, 382095), (315, 231683), (573, 127365), (955, 76419), (1213, 60165), (1337, 54585), (1719, 42455), (2865, 25473), (3639, 20055), (4011, 18195), (6065, 12033), (6685, 10917), (8491, 8595)]