72378405

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2003}}^1$

素因数の和:2098

約数の個数: 48

約数和(自身を含む): 138805056

約数和(自身を除く): 66426651

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 73, 99, 165, 219, 365, 495, 657, 803, 1095, 2003, 2409, 3285, 4015, 6009, 7227, 10015, 12045, 18027, 22033, 30045, 36135, 66099, 90135, 110165, 146219, 198297, 330495, 438657, 731095, 991485, 1315971, 1608409, 2193285, 4825227, 6579855, 8042045, 14475681, 24126135, 72378405]

約数ペア:

[(1, 72378405), (3, 24126135), (5, 14475681), (9, 8042045), (11, 6579855), (15, 4825227), (33, 2193285), (45, 1608409), (55, 1315971), (73, 991485), (99, 731095), (165, 438657), (219, 330495), (365, 198297), (495, 146219), (657, 110165), (803, 90135), (1095, 66099), (2003, 36135), (2409, 30045), (3285, 22033), (4015, 18027), (6009, 12045), (7227, 10015)]