2642355

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1$

素因数の和:97

約数の個数: 48

約数和(自身を含む): 5043360

約数和(自身を除く): 2401005

約数列:

[1, 3, 5, 9, 15, 23, 27, 37, 45, 69, 111, 115, 135, 185, 207, 333, 345, 529, 555, 621, 851, 999, 1035, 1587, 1665, 2553, 2645, 3105, 4255, 4761, 4995, 7659, 7935, 12765, 14283, 19573, 22977, 23805, 38295, 58719, 71415, 97865, 114885, 176157, 293595, 528471, 880785, 2642355]

約数ペア:

[(1, 2642355), (3, 880785), (5, 528471), (9, 293595), (15, 176157), (23, 114885), (27, 97865), (37, 71415), (45, 58719), (69, 38295), (111, 23805), (115, 22977), (135, 19573), (185, 14283), (207, 12765), (333, 7935), (345, 7659), (529, 4995), (555, 4761), (621, 4255), (851, 3105), (999, 2645), (1035, 2553), (1587, 1665)]