72223149

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 103505920

約数和(自身を除く): 31282771

約数列:

[1, 3, 31, 37, 93, 111, 139, 151, 417, 453, 1147, 3441, 4309, 4681, 5143, 5587, 12927, 14043, 15429, 16761, 20989, 62967, 159433, 173197, 478299, 519591, 650659, 776593, 1951977, 2329779, 24074383, 72223149]

約数ペア:

[(1, 72223149), (3, 24074383), (31, 2329779), (37, 1951977), (93, 776593), (111, 650659), (139, 519591), (151, 478299), (417, 173197), (453, 159433), (1147, 62967), (3441, 20989), (4309, 16761), (4681, 15429), (5143, 14043), (5587, 12927)]