156718821

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 262840320

約数和(自身を除く): 106121499

約数列:

[1, 3, 7, 19, 21, 47, 57, 61, 133, 137, 141, 183, 329, 399, 411, 427, 893, 959, 987, 1159, 1281, 2603, 2679, 2867, 2877, 3477, 6251, 6439, 7809, 8113, 8357, 8601, 18221, 18753, 19317, 20069, 24339, 25071, 45073, 54473, 54663, 58499, 60207, 122341, 135219, 158783, 163419, 175497, 367023, 381311, 392779, 476349, 856387, 1111481, 1143933, 1178337, 2569161, 2749453, 3334443, 7462801, 8248359, 22388403, 52239607, 156718821]

約数ペア:

[(1, 156718821), (3, 52239607), (7, 22388403), (19, 8248359), (21, 7462801), (47, 3334443), (57, 2749453), (61, 2569161), (133, 1178337), (137, 1143933), (141, 1111481), (183, 856387), (329, 476349), (399, 392779), (411, 381311), (427, 367023), (893, 175497), (959, 163419), (987, 158783), (1159, 135219), (1281, 122341), (2603, 60207), (2679, 58499), (2867, 54663), (2877, 54473), (3477, 45073), (6251, 25071), (6439, 24339), (7809, 20069), (8113, 19317), (8357, 18753), (8601, 18221)]