661796145

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{2729}}^1$

素因数の和:3074

約数の個数: 48

約数和(自身を含む): 1218868560

約数和(自身を除く): 557072415

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 317, 765, 951, 1585, 2729, 2853, 4755, 5389, 8187, 13645, 14265, 16167, 24561, 26945, 40935, 46393, 48501, 80835, 122805, 139179, 231965, 242505, 417537, 695895, 865093, 2087685, 2595279, 4325465, 7785837, 12976395, 14706581, 38929185, 44119743, 73532905, 132359229, 220598715, 661796145]

約数ペア:

[(1, 661796145), (3, 220598715), (5, 132359229), (9, 73532905), (15, 44119743), (17, 38929185), (45, 14706581), (51, 12976395), (85, 7785837), (153, 4325465), (255, 2595279), (317, 2087685), (765, 865093), (951, 695895), (1585, 417537), (2729, 242505), (2853, 231965), (4755, 139179), (5389, 122805), (8187, 80835), (13645, 48501), (14265, 46393), (16167, 40935), (24561, 26945)]