47880405

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 86252400

約数和(自身を除く): 38371995

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 149, 185, 193, 333, 447, 555, 579, 745, 965, 1341, 1665, 1737, 2235, 2895, 5513, 6705, 7141, 8685, 16539, 21423, 27565, 28757, 35705, 49617, 64269, 82695, 86271, 107115, 143785, 248085, 258813, 321345, 431355, 1064009, 1294065, 3192027, 5320045, 9576081, 15960135, 47880405]

約数ペア:

[(1, 47880405), (3, 15960135), (5, 9576081), (9, 5320045), (15, 3192027), (37, 1294065), (45, 1064009), (111, 431355), (149, 321345), (185, 258813), (193, 248085), (333, 143785), (447, 107115), (555, 86271), (579, 82695), (745, 64269), (965, 49617), (1341, 35705), (1665, 28757), (1737, 27565), (2235, 21423), (2895, 16539), (5513, 8685), (6705, 7141)]