17966475

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 33827200

約数和(自身を除く): 15860725

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 619, 645, 675, 1075, 1161, 1857, 1935, 3095, 3225, 5571, 5805, 9285, 9675, 15475, 16713, 26617, 27855, 29025, 46425, 79851, 83565, 133085, 139275, 239553, 399255, 417825, 665425, 718659, 1197765, 1996275, 3593295, 5988825, 17966475]

約数ペア:

[(1, 17966475), (3, 5988825), (5, 3593295), (9, 1996275), (15, 1197765), (25, 718659), (27, 665425), (43, 417825), (45, 399255), (75, 239553), (129, 139275), (135, 133085), (215, 83565), (225, 79851), (387, 46425), (619, 29025), (645, 27855), (675, 26617), (1075, 16713), (1161, 15475), (1857, 9675), (1935, 9285), (3095, 5805), (3225, 5571)]