1218123225

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{164057}}^1$

素因数の和:164087

約数の個数: 48

約数和(自身を含む): 2441183040

約数和(自身を除く): 1223059815

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2475, 7425, 164057, 492171, 820285, 1476513, 1804627, 2460855, 4101425, 4429539, 5413881, 7382565, 9023135, 12304275, 16241643, 22147695, 27069405, 36912825, 45115675, 48724929, 81208215, 110738475, 135347025, 243624645, 406041075, 1218123225]

約数ペア:

[(1, 1218123225), (3, 406041075), (5, 243624645), (9, 135347025), (11, 110738475), (15, 81208215), (25, 48724929), (27, 45115675), (33, 36912825), (45, 27069405), (55, 22147695), (75, 16241643), (99, 12304275), (135, 9023135), (165, 7382565), (225, 5413881), (275, 4429539), (297, 4101425), (495, 2460855), (675, 1804627), (825, 1476513), (1485, 820285), (2475, 492171), (7425, 164057)]