30994695

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 55598400

約数和(自身を除く): 24603705

約数列:

[1, 3, 5, 9, 15, 45, 71, 89, 109, 213, 267, 327, 355, 445, 545, 639, 801, 981, 1065, 1335, 1635, 3195, 4005, 4905, 6319, 7739, 9701, 18957, 23217, 29103, 31595, 38695, 48505, 56871, 69651, 87309, 94785, 116085, 145515, 284355, 348255, 436545, 688771, 2066313, 3443855, 6198939, 10331565, 30994695]

約数ペア:

[(1, 30994695), (3, 10331565), (5, 6198939), (9, 3443855), (15, 2066313), (45, 688771), (71, 436545), (89, 348255), (109, 284355), (213, 145515), (267, 116085), (327, 94785), (355, 87309), (445, 69651), (545, 56871), (639, 48505), (801, 38695), (981, 31595), (1065, 29103), (1335, 23217), (1635, 18957), (3195, 9701), (4005, 7739), (4905, 6319)]