157214421

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1381}}^1$

素因数の和:1546

約数の個数: 48

約数和(自身を含む): 281706880

約数和(自身を除く): 124492459

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 139, 273, 417, 819, 973, 1251, 1381, 1807, 2919, 4143, 5421, 8757, 9667, 12429, 12649, 16263, 17953, 29001, 37947, 53859, 87003, 113841, 125671, 161577, 191959, 377013, 575877, 1131039, 1343713, 1727631, 2495467, 4031139, 7486401, 12093417, 17468269, 22459203, 52404807, 157214421]

約数ペア:

[(1, 157214421), (3, 52404807), (7, 22459203), (9, 17468269), (13, 12093417), (21, 7486401), (39, 4031139), (63, 2495467), (91, 1727631), (117, 1343713), (139, 1131039), (273, 575877), (417, 377013), (819, 191959), (973, 161577), (1251, 125671), (1381, 113841), (1807, 87003), (2919, 53859), (4143, 37947), (5421, 29001), (8757, 17953), (9667, 16263), (12429, 12649)]