1405278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 3669120

約数和(自身を除く): 2263842

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 587, 798, 1174, 1197, 1761, 2394, 3522, 4109, 5283, 8218, 10566, 11153, 12327, 22306, 24654, 33459, 36981, 66918, 73962, 78071, 100377, 156142, 200754, 234213, 468426, 702639, 1405278]

約数ペア:

[(1, 1405278), (2, 702639), (3, 468426), (6, 234213), (7, 200754), (9, 156142), (14, 100377), (18, 78071), (19, 73962), (21, 66918), (38, 36981), (42, 33459), (57, 24654), (63, 22306), (114, 12327), (126, 11153), (133, 10566), (171, 8218), (266, 5283), (342, 4109), (399, 3522), (587, 2394), (798, 1761), (1174, 1197)]