28083375

素因数分解:

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

素因数の和:234

約数の個数: 64

約数和(自身を含む): 53239680

約数和(自身を除く): 25156305

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 125, 135, 157, 159, 225, 265, 375, 471, 477, 675, 785, 795, 1125, 1325, 1413, 1431, 2355, 2385, 3375, 3925, 3975, 4239, 6625, 7065, 7155, 8321, 11775, 11925, 19625, 19875, 21195, 24963, 35325, 35775, 41605, 58875, 59625, 74889, 105975, 124815, 176625, 178875, 208025, 224667, 374445, 529875, 624075, 1040125, 1123335, 1872225, 3120375, 5616675, 9361125, 28083375]

約数ペア:

[(1, 28083375), (3, 9361125), (5, 5616675), (9, 3120375), (15, 1872225), (25, 1123335), (27, 1040125), (45, 624075), (53, 529875), (75, 374445), (125, 224667), (135, 208025), (157, 178875), (159, 176625), (225, 124815), (265, 105975), (375, 74889), (471, 59625), (477, 58875), (675, 41605), (785, 35775), (795, 35325), (1125, 24963), (1325, 21195), (1413, 19875), (1431, 19625), (2355, 11925), (2385, 11775), (3375, 8321), (3925, 7155), (3975, 7065), (4239, 6625)]