40042917

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 63562752

約数和(自身を除く): 23519835

約数列:

[1, 3, 9, 27, 31, 37, 81, 93, 111, 279, 333, 431, 837, 999, 1147, 1293, 2511, 2997, 3441, 3879, 10323, 11637, 13361, 15947, 30969, 34911, 40083, 47841, 92907, 120249, 143523, 360747, 430569, 494357, 1082241, 1291707, 1483071, 4449213, 13347639, 40042917]

約数ペア:

[(1, 40042917), (3, 13347639), (9, 4449213), (27, 1483071), (31, 1291707), (37, 1082241), (81, 494357), (93, 430569), (111, 360747), (279, 143523), (333, 120249), (431, 92907), (837, 47841), (999, 40083), (1147, 34911), (1293, 30969), (2511, 15947), (2997, 13361), (3441, 11637), (3879, 10323)]