210512025

素因数分解:

$3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 389975040

約数和(自身を除く): 179463015

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 75, 127, 139, 159, 225, 265, 381, 417, 477, 635, 695, 795, 1143, 1251, 1325, 1905, 2085, 2385, 3175, 3475, 3975, 5715, 6255, 6731, 7367, 9525, 10425, 11925, 17653, 20193, 22101, 28575, 31275, 33655, 36835, 52959, 60579, 66303, 88265, 100965, 110505, 158877, 168275, 184175, 264795, 302895, 331515, 441325, 504825, 552525, 794385, 935609, 1323975, 1514475, 1657575, 2806827, 3971925, 4678045, 8420481, 14034135, 23390225, 42102405, 70170675, 210512025]

約数ペア:

[(1, 210512025), (3, 70170675), (5, 42102405), (9, 23390225), (15, 14034135), (25, 8420481), (45, 4678045), (53, 3971925), (75, 2806827), (127, 1657575), (139, 1514475), (159, 1323975), (225, 935609), (265, 794385), (381, 552525), (417, 504825), (477, 441325), (635, 331515), (695, 302895), (795, 264795), (1143, 184175), (1251, 168275), (1325, 158877), (1905, 110505), (2085, 100965), (2385, 88265), (3175, 66303), (3475, 60579), (3975, 52959), (5715, 36835), (6255, 33655), (6731, 31275), (7367, 28575), (9525, 22101), (10425, 20193), (11925, 17653)]