16668765

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 30579120

約数和(自身を除く): 13910355

約数列:

[1, 3, 5, 9, 15, 29, 45, 53, 87, 145, 159, 241, 261, 265, 435, 477, 723, 795, 1205, 1305, 1537, 2169, 2385, 3615, 4611, 6989, 7685, 10845, 12773, 13833, 20967, 23055, 34945, 38319, 62901, 63865, 69165, 104835, 114957, 191595, 314505, 370417, 574785, 1111251, 1852085, 3333753, 5556255, 16668765]

約数ペア:

[(1, 16668765), (3, 5556255), (5, 3333753), (9, 1852085), (15, 1111251), (29, 574785), (45, 370417), (53, 314505), (87, 191595), (145, 114957), (159, 104835), (241, 69165), (261, 63865), (265, 62901), (435, 38319), (477, 34945), (723, 23055), (795, 20967), (1205, 13833), (1305, 12773), (1537, 10845), (2169, 7685), (2385, 6989), (3615, 4611)]