17680545

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 33926400

約数和(自身を除く): 16245855

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 61, 95, 113, 135, 171, 183, 285, 305, 339, 513, 549, 565, 855, 915, 1017, 1159, 1647, 1695, 2147, 2565, 2745, 3051, 3477, 5085, 5795, 6441, 6893, 8235, 10431, 10735, 15255, 17385, 19323, 20679, 31293, 32205, 34465, 52155, 57969, 62037, 96615, 103395, 130967, 156465, 186111, 289845, 310185, 392901, 654835, 930555, 1178703, 1964505, 3536109, 5893515, 17680545]

約数ペア:

[(1, 17680545), (3, 5893515), (5, 3536109), (9, 1964505), (15, 1178703), (19, 930555), (27, 654835), (45, 392901), (57, 310185), (61, 289845), (95, 186111), (113, 156465), (135, 130967), (171, 103395), (183, 96615), (285, 62037), (305, 57969), (339, 52155), (513, 34465), (549, 32205), (565, 31293), (855, 20679), (915, 19323), (1017, 17385), (1159, 15255), (1647, 10735), (1695, 10431), (2147, 8235), (2565, 6893), (2745, 6441), (3051, 5795), (3477, 5085)]