30728061

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2207}}^1$

素因数の和:2250

約数の個数: 48

約数和(自身を含む): 57867264

約数和(自身を除く): 27139203

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1989, 2207, 4641, 6621, 13923, 15449, 19863, 28691, 37519, 46347, 86073, 112557, 139041, 200837, 258219, 262633, 337671, 487747, 602511, 787899, 1463241, 1807533, 2363697, 3414229, 4389723, 10242687, 30728061]

約数ペア:

[(1, 30728061), (3, 10242687), (7, 4389723), (9, 3414229), (13, 2363697), (17, 1807533), (21, 1463241), (39, 787899), (51, 602511), (63, 487747), (91, 337671), (117, 262633), (119, 258219), (153, 200837), (221, 139041), (273, 112557), (357, 86073), (663, 46347), (819, 37519), (1071, 28691), (1547, 19863), (1989, 15449), (2207, 13923), (4641, 6621)]