28354515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 26941485

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 59, 69, 105, 115, 161, 177, 199, 295, 345, 413, 483, 597, 805, 885, 995, 1239, 1357, 1393, 2065, 2415, 2985, 4071, 4179, 4577, 6195, 6785, 6965, 9499, 11741, 13731, 20355, 20895, 22885, 28497, 32039, 35223, 47495, 58705, 68655, 82187, 96117, 142485, 160195, 176115, 246561, 270043, 410935, 480585, 810129, 1232805, 1350215, 1890301, 4050645, 5670903, 9451505, 28354515]

約数ペア:

[(1, 28354515), (3, 9451505), (5, 5670903), (7, 4050645), (15, 1890301), (21, 1350215), (23, 1232805), (35, 810129), (59, 480585), (69, 410935), (105, 270043), (115, 246561), (161, 176115), (177, 160195), (199, 142485), (295, 96117), (345, 82187), (413, 68655), (483, 58705), (597, 47495), (805, 35223), (885, 32039), (995, 28497), (1239, 22885), (1357, 20895), (1393, 20355), (2065, 13731), (2415, 11741), (2985, 9499), (4071, 6965), (4179, 6785), (4577, 6195)]