49904421

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 78624000

約数和(自身を除く): 28719579

約数列:

[1, 3, 7, 21, 41, 123, 149, 287, 389, 447, 861, 1043, 1167, 2723, 3129, 6109, 8169, 15949, 18327, 42763, 47847, 57961, 111643, 128289, 173883, 334929, 405727, 1217181, 2376401, 7129203, 16634807, 49904421]

約数ペア:

[(1, 49904421), (3, 16634807), (7, 7129203), (21, 2376401), (41, 1217181), (123, 405727), (149, 334929), (287, 173883), (389, 128289), (447, 111643), (861, 57961), (1043, 47847), (1167, 42763), (2723, 18327), (3129, 15949), (6109, 8169)]