72780147

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{179}}^1$

素因数の和:273

約数の個数: 48

約数和(自身を含む): 121564800

約数和(自身を除く): 48784653

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 179, 297, 333, 407, 537, 999, 1221, 1369, 1611, 1969, 3663, 4107, 4833, 5907, 6623, 10989, 12321, 15059, 17721, 19869, 36963, 45177, 53163, 59607, 72853, 135531, 178821, 218559, 245051, 406593, 655677, 735153, 1967031, 2205459, 2695561, 6616377, 8086683, 24260049, 72780147]

約数ペア:

[(1, 72780147), (3, 24260049), (9, 8086683), (11, 6616377), (27, 2695561), (33, 2205459), (37, 1967031), (99, 735153), (111, 655677), (179, 406593), (297, 245051), (333, 218559), (407, 178821), (537, 135531), (999, 72853), (1221, 59607), (1369, 53163), (1611, 45177), (1969, 36963), (3663, 19869), (4107, 17721), (4833, 15059), (5907, 12321), (6623, 10989)]