16850025

素因数分解:

$3^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 60

約数和(自身を含む): 32003532

約数和(自身を除く): 15153507

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 81, 135, 157, 159, 225, 265, 405, 471, 477, 675, 785, 795, 1325, 1413, 1431, 2025, 2355, 2385, 3925, 3975, 4239, 4293, 7065, 7155, 8321, 11775, 11925, 12717, 21195, 21465, 24963, 35325, 35775, 41605, 63585, 74889, 105975, 107325, 124815, 208025, 224667, 317925, 374445, 624075, 674001, 1123335, 1872225, 3370005, 5616675, 16850025]

約数ペア:

[(1, 16850025), (3, 5616675), (5, 3370005), (9, 1872225), (15, 1123335), (25, 674001), (27, 624075), (45, 374445), (53, 317925), (75, 224667), (81, 208025), (135, 124815), (157, 107325), (159, 105975), (225, 74889), (265, 63585), (405, 41605), (471, 35775), (477, 35325), (675, 24963), (785, 21465), (795, 21195), (1325, 12717), (1413, 11925), (1431, 11775), (2025, 8321), (2355, 7155), (2385, 7065), (3925, 4293), (3975, 4239)]