4048065

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 8176896

約数和(自身を除く): 4128831

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 71, 105, 181, 213, 315, 355, 497, 543, 639, 905, 1065, 1267, 1491, 1629, 2485, 2715, 3195, 3801, 4473, 6335, 7455, 8145, 11403, 12851, 19005, 22365, 38553, 57015, 64255, 89957, 115659, 192765, 269871, 449785, 578295, 809613, 1349355, 4048065]

約数ペア:

[(1, 4048065), (3, 1349355), (5, 809613), (7, 578295), (9, 449785), (15, 269871), (21, 192765), (35, 115659), (45, 89957), (63, 64255), (71, 57015), (105, 38553), (181, 22365), (213, 19005), (315, 12851), (355, 11403), (497, 8145), (543, 7455), (639, 6335), (905, 4473), (1065, 3801), (1267, 3195), (1491, 2715), (1629, 2485)]