251818077

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{563}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 412577280

約数和(自身を除く): 160759203

約数列:

[1, 3, 7, 19, 21, 57, 59, 133, 177, 361, 399, 413, 563, 1083, 1121, 1239, 1689, 2527, 3363, 3941, 7581, 7847, 10697, 11823, 21299, 23541, 32091, 33217, 63897, 74879, 99651, 149093, 203243, 224637, 232519, 447279, 609729, 631123, 697557, 1422701, 1893369, 4268103, 4417861, 11991337, 13253583, 35974011, 83939359, 251818077]

約数ペア:

[(1, 251818077), (3, 83939359), (7, 35974011), (19, 13253583), (21, 11991337), (57, 4417861), (59, 4268103), (133, 1893369), (177, 1422701), (361, 697557), (399, 631123), (413, 609729), (563, 447279), (1083, 232519), (1121, 224637), (1239, 203243), (1689, 149093), (2527, 99651), (3363, 74879), (3941, 63897), (7581, 33217), (7847, 32091), (10697, 23541), (11823, 21299)]