28476135

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 51667200

約数和(自身を除く): 23191065

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 137, 149, 155, 279, 411, 447, 465, 685, 745, 1233, 1341, 1395, 2055, 2235, 4247, 4619, 6165, 6705, 12741, 13857, 20413, 21235, 23095, 38223, 41571, 61239, 63705, 69285, 102065, 183717, 191115, 207855, 306195, 632803, 918585, 1898409, 3164015, 5695227, 9492045, 28476135]

約数ペア:

[(1, 28476135), (3, 9492045), (5, 5695227), (9, 3164015), (15, 1898409), (31, 918585), (45, 632803), (93, 306195), (137, 207855), (149, 191115), (155, 183717), (279, 102065), (411, 69285), (447, 63705), (465, 61239), (685, 41571), (745, 38223), (1233, 23095), (1341, 21235), (1395, 20413), (2055, 13857), (2235, 12741), (4247, 6705), (4619, 6165)]