18147075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 32605056

約数和(自身を除く): 14457981

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 129, 215, 255, 331, 425, 645, 731, 993, 1075, 1275, 1655, 2193, 3225, 3655, 4965, 5627, 8275, 10965, 14233, 16881, 18275, 24825, 28135, 42699, 54825, 71165, 84405, 140675, 213495, 241961, 355825, 422025, 725883, 1067475, 1209805, 3629415, 6049025, 18147075]

約数ペア:

[(1, 18147075), (3, 6049025), (5, 3629415), (15, 1209805), (17, 1067475), (25, 725883), (43, 422025), (51, 355825), (75, 241961), (85, 213495), (129, 140675), (215, 84405), (255, 71165), (331, 54825), (425, 42699), (645, 28135), (731, 24825), (993, 18275), (1075, 16881), (1275, 14233), (1655, 10965), (2193, 8275), (3225, 5627), (3655, 4965)]