71800425

素因数分解:

$3^5\times 5^2\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 136491264

約数和(自身を除く): 64690839

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 81, 135, 159, 223, 225, 243, 265, 405, 477, 669, 675, 795, 1115, 1215, 1325, 1431, 2007, 2025, 2385, 3345, 3975, 4293, 5575, 6021, 6075, 7155, 10035, 11819, 11925, 12879, 16725, 18063, 21465, 30105, 35457, 35775, 50175, 54189, 59095, 64395, 90315, 106371, 107325, 150525, 177285, 270945, 295475, 319113, 321975, 451575, 531855, 886425, 957339, 1354725, 1595565, 2659275, 2872017, 4786695, 7977825, 14360085, 23933475, 71800425]

約数ペア:

[(1, 71800425), (3, 23933475), (5, 14360085), (9, 7977825), (15, 4786695), (25, 2872017), (27, 2659275), (45, 1595565), (53, 1354725), (75, 957339), (81, 886425), (135, 531855), (159, 451575), (223, 321975), (225, 319113), (243, 295475), (265, 270945), (405, 177285), (477, 150525), (669, 107325), (675, 106371), (795, 90315), (1115, 64395), (1215, 59095), (1325, 54189), (1431, 50175), (2007, 35775), (2025, 35457), (2385, 30105), (3345, 21465), (3975, 18063), (4293, 16725), (5575, 12879), (6021, 11925), (6075, 11819), (7155, 10035)]