30728178

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131317}}^1$

素因数の和:131338

約数の個数: 24

約数和(自身を含む): 71699628

約数和(自身を除く): 40971450

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 131317, 262634, 393951, 787902, 1181853, 1707121, 2363706, 3414242, 5121363, 10242726, 15364089, 30728178]

約数ペア:

[(1, 30728178), (2, 15364089), (3, 10242726), (6, 5121363), (9, 3414242), (13, 2363706), (18, 1707121), (26, 1181853), (39, 787902), (78, 393951), (117, 262634), (234, 131317)]