28230195

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 54558720

約数和(自身を除く): 26328525

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 73, 87, 105, 127, 145, 203, 219, 365, 381, 435, 511, 609, 635, 889, 1015, 1095, 1533, 1905, 2117, 2555, 2667, 3045, 3683, 4445, 6351, 7665, 9271, 10585, 11049, 13335, 14819, 18415, 25781, 27813, 31755, 44457, 46355, 55245, 64897, 74095, 77343, 128905, 139065, 194691, 222285, 268859, 324485, 386715, 806577, 973455, 1344295, 1882013, 4032885, 5646039, 9410065, 28230195]

約数ペア:

[(1, 28230195), (3, 9410065), (5, 5646039), (7, 4032885), (15, 1882013), (21, 1344295), (29, 973455), (35, 806577), (73, 386715), (87, 324485), (105, 268859), (127, 222285), (145, 194691), (203, 139065), (219, 128905), (365, 77343), (381, 74095), (435, 64897), (511, 55245), (609, 46355), (635, 44457), (889, 31755), (1015, 27813), (1095, 25781), (1533, 18415), (1905, 14819), (2117, 13335), (2555, 11049), (2667, 10585), (3045, 9271), (3683, 7665), (4445, 6351)]