279995265

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{461}}^1$

素因数の和:895

約数の個数: 64

約数和(自身を含む): 545529600

約数和(自身を除く): 265534335

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 409, 461, 495, 1227, 1383, 1485, 2045, 2305, 3681, 4149, 4499, 5071, 6135, 6915, 11043, 12447, 13497, 15213, 18405, 20745, 22495, 25355, 40491, 45639, 55215, 62235, 67485, 76065, 121473, 136917, 188549, 202455, 228195, 565647, 607365, 684585, 942745, 1696941, 2074039, 2828235, 5090823, 6222117, 8484705, 10370195, 18666351, 25454115, 31110585, 55999053, 93331755, 279995265]

約数ペア:

[(1, 279995265), (3, 93331755), (5, 55999053), (9, 31110585), (11, 25454115), (15, 18666351), (27, 10370195), (33, 8484705), (45, 6222117), (55, 5090823), (99, 2828235), (135, 2074039), (165, 1696941), (297, 942745), (409, 684585), (461, 607365), (495, 565647), (1227, 228195), (1383, 202455), (1485, 188549), (2045, 136917), (2305, 121473), (3681, 76065), (4149, 67485), (4499, 62235), (5071, 55215), (6135, 45639), (6915, 40491), (11043, 25355), (12447, 22495), (13497, 20745), (15213, 18405)]