678278013

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{743}}^1\times {\mathrm{1499}}^1$

素因数の和:2281

約数の個数: 32

約数和(自身を含む): 1071360000

約数和(自身を除く): 393081987

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 743, 1499, 2229, 4497, 5201, 10493, 15603, 21547, 31479, 43471, 64641, 130413, 150829, 304297, 452487, 912891, 1113757, 3341271, 7796299, 23388897, 32298953, 96896859, 226092671, 678278013]

約数ペア:

[(1, 678278013), (3, 226092671), (7, 96896859), (21, 32298953), (29, 23388897), (87, 7796299), (203, 3341271), (609, 1113757), (743, 912891), (1499, 452487), (2229, 304297), (4497, 150829), (5201, 130413), (10493, 64641), (15603, 43471), (21547, 31479)]