72742455

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4177}}^1$

素因数の和:4237

約数の個数: 40

約数和(自身を含む): 133462032

約数和(自身を除く): 60719577

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1935, 3483, 4177, 5805, 12531, 17415, 20885, 37593, 62655, 112779, 179611, 187965, 338337, 538833, 563895, 898055, 1616499, 1691685, 2694165, 4849497, 8082495, 14548491, 24247485, 72742455]

約数ペア:

[(1, 72742455), (3, 24247485), (5, 14548491), (9, 8082495), (15, 4849497), (27, 2694165), (43, 1691685), (45, 1616499), (81, 898055), (129, 563895), (135, 538833), (215, 338337), (387, 187965), (405, 179611), (645, 112779), (1161, 62655), (1935, 37593), (3483, 20885), (4177, 17415), (5805, 12531)]