2113839

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 3931200

約数和(自身を除く): 1817361

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 89, 91, 117, 203, 261, 267, 273, 377, 609, 623, 801, 819, 1131, 1157, 1827, 1869, 2581, 2639, 3393, 3471, 5607, 7743, 7917, 8099, 10413, 18067, 23229, 23751, 24297, 33553, 54201, 72891, 100659, 162603, 234871, 301977, 704613, 2113839]

約数ペア:

[(1, 2113839), (3, 704613), (7, 301977), (9, 234871), (13, 162603), (21, 100659), (29, 72891), (39, 54201), (63, 33553), (87, 24297), (89, 23751), (91, 23229), (117, 18067), (203, 10413), (261, 8099), (267, 7917), (273, 7743), (377, 5607), (609, 3471), (623, 3393), (801, 2639), (819, 2581), (1131, 1869), (1157, 1827)]