30965895

素因数分解:

$3^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:661

約数の個数: 40

約数和(自身を含む): 55977504

約数和(自身を除く): 25011609

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 157, 405, 471, 487, 785, 1413, 1461, 2355, 2435, 4239, 4383, 7065, 7305, 12717, 13149, 21195, 21915, 39447, 63585, 65745, 76459, 197235, 229377, 382295, 688131, 1146885, 2064393, 3440655, 6193179, 10321965, 30965895]

約数ペア:

[(1, 30965895), (3, 10321965), (5, 6193179), (9, 3440655), (15, 2064393), (27, 1146885), (45, 688131), (81, 382295), (135, 229377), (157, 197235), (405, 76459), (471, 65745), (487, 63585), (785, 39447), (1413, 21915), (1461, 21195), (2355, 13149), (2435, 12717), (4239, 7305), (4383, 7065)]