27209988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1097}}^1$

素因数の和:1173

約数の個数: 72

約数和(自身を含む): 75538008

約数和(自身を除く): 48328020

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 212, 234, 318, 468, 477, 636, 689, 954, 1097, 1378, 1908, 2067, 2194, 2756, 3291, 4134, 4388, 6201, 6582, 8268, 9873, 12402, 13164, 14261, 19746, 24804, 28522, 39492, 42783, 57044, 58141, 85566, 116282, 128349, 171132, 174423, 232564, 256698, 348846, 513396, 523269, 697692, 755833, 1046538, 1511666, 2093076, 2267499, 3023332, 4534998, 6802497, 9069996, 13604994, 27209988]

約数ペア:

[(1, 27209988), (2, 13604994), (3, 9069996), (4, 6802497), (6, 4534998), (9, 3023332), (12, 2267499), (13, 2093076), (18, 1511666), (26, 1046538), (36, 755833), (39, 697692), (52, 523269), (53, 513396), (78, 348846), (106, 256698), (117, 232564), (156, 174423), (159, 171132), (212, 128349), (234, 116282), (318, 85566), (468, 58141), (477, 57044), (636, 42783), (689, 39492), (954, 28522), (1097, 24804), (1378, 19746), (1908, 14261), (2067, 13164), (2194, 12402), (2756, 9873), (3291, 8268), (4134, 6582), (4388, 6201)]