1878324309

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{521}}^1\times {\mathrm{947}}^1$

素因数の和:1527

約数の個数: 40

約数和(自身を含む): 2874123648

約数和(自身を除く): 995799339

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 521, 947, 1269, 1563, 2841, 3807, 4689, 8523, 14067, 24487, 25569, 42201, 44509, 73461, 76707, 133527, 220383, 400581, 493387, 661149, 1201743, 1480161, 1983447, 3605229, 4440483, 13321449, 23189189, 39964347, 69567567, 208702701, 626108103, 1878324309]

約数ペア:

[(1, 1878324309), (3, 626108103), (9, 208702701), (27, 69567567), (47, 39964347), (81, 23189189), (141, 13321449), (423, 4440483), (521, 3605229), (947, 1983447), (1269, 1480161), (1563, 1201743), (2841, 661149), (3807, 493387), (4689, 400581), (8523, 220383), (14067, 133527), (24487, 76707), (25569, 73461), (42201, 44509)]