61781994

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{21587}}^1$

素因数の和:21651

約数の個数: 32

約数和(自身を含む): 139890240

約数和(自身を除く): 78108246

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 318, 477, 954, 1431, 2862, 21587, 43174, 64761, 129522, 194283, 388566, 582849, 1144111, 1165698, 2288222, 3432333, 6864666, 10296999, 20593998, 30890997, 61781994]

約数ペア:

[(1, 61781994), (2, 30890997), (3, 20593998), (6, 10296999), (9, 6864666), (18, 3432333), (27, 2288222), (53, 1165698), (54, 1144111), (106, 582849), (159, 388566), (318, 194283), (477, 129522), (954, 64761), (1431, 43174), (2862, 21587)]