161728749

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1091}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 289371264

約数和(自身を除く): 127642515

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 181, 273, 543, 819, 1091, 1267, 1629, 2353, 3273, 3801, 7059, 7637, 9819, 11403, 14183, 16471, 21177, 22911, 42549, 49413, 68733, 99281, 127647, 148239, 197471, 297843, 592413, 893529, 1382297, 1777239, 2567123, 4146891, 7701369, 12440673, 17969861, 23104107, 53909583, 161728749]

約数ペア:

[(1, 161728749), (3, 53909583), (7, 23104107), (9, 17969861), (13, 12440673), (21, 7701369), (39, 4146891), (63, 2567123), (91, 1777239), (117, 1382297), (181, 893529), (273, 592413), (543, 297843), (819, 197471), (1091, 148239), (1267, 127647), (1629, 99281), (2353, 68733), (3273, 49413), (3801, 42549), (7059, 22911), (7637, 21177), (9819, 16471), (11403, 14183)]