31867785

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 57142800

約数和(自身を除く): 25275015

約数列:

[1, 3, 5, 9, 15, 45, 73, 89, 109, 219, 267, 327, 365, 445, 545, 657, 801, 981, 1095, 1335, 1635, 3285, 4005, 4905, 6497, 7957, 9701, 19491, 23871, 29103, 32485, 39785, 48505, 58473, 71613, 87309, 97455, 119355, 145515, 292365, 358065, 436545, 708173, 2124519, 3540865, 6373557, 10622595, 31867785]

約数ペア:

[(1, 31867785), (3, 10622595), (5, 6373557), (9, 3540865), (15, 2124519), (45, 708173), (73, 436545), (89, 358065), (109, 292365), (219, 145515), (267, 119355), (327, 97455), (365, 87309), (445, 71613), (545, 58473), (657, 48505), (801, 39785), (981, 32485), (1095, 29103), (1335, 23871), (1635, 19491), (3285, 9701), (4005, 7957), (4905, 6497)]