2219558145

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{389}}^1\times {\mathrm{1109}}^1$

素因数の和:1527

約数の個数: 64

約数和(自身を含む): 4155840000

約数和(自身を除く): 1936281855

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 389, 735, 1029, 1109, 1167, 1715, 1945, 2723, 3327, 5145, 5545, 5835, 7763, 8169, 13615, 16635, 19061, 23289, 38815, 40845, 54341, 57183, 95305, 116445, 133427, 163023, 271705, 285915, 380387, 400281, 431401, 667135, 815115, 1141161, 1294203, 1901935, 2001405, 2157005, 3019807, 5705805, 6471015, 9059421, 15099035, 21138649, 45297105, 63415947, 105693245, 147970543, 317079735, 443911629, 739852715, 2219558145]

約数ペア:

[(1, 2219558145), (3, 739852715), (5, 443911629), (7, 317079735), (15, 147970543), (21, 105693245), (35, 63415947), (49, 45297105), (105, 21138649), (147, 15099035), (245, 9059421), (343, 6471015), (389, 5705805), (735, 3019807), (1029, 2157005), (1109, 2001405), (1167, 1901935), (1715, 1294203), (1945, 1141161), (2723, 815115), (3327, 667135), (5145, 431401), (5545, 400281), (5835, 380387), (7763, 285915), (8169, 271705), (13615, 163023), (16635, 133427), (19061, 116445), (23289, 95305), (38815, 57183), (40845, 54341)]