71380215

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 130155168

約数和(自身を除く): 58774953

約数列:

[1, 3, 5, 9, 15, 37, 43, 45, 111, 129, 185, 215, 333, 387, 555, 645, 997, 1591, 1665, 1935, 2991, 4773, 4985, 7955, 8973, 14319, 14955, 23865, 36889, 42871, 44865, 71595, 110667, 128613, 184445, 214355, 332001, 385839, 553335, 643065, 1586227, 1660005, 1929195, 4758681, 7931135, 14276043, 23793405, 71380215]

約数ペア:

[(1, 71380215), (3, 23793405), (5, 14276043), (9, 7931135), (15, 4758681), (37, 1929195), (43, 1660005), (45, 1586227), (111, 643065), (129, 553335), (185, 385839), (215, 332001), (333, 214355), (387, 184445), (555, 128613), (645, 110667), (997, 71595), (1591, 44865), (1665, 42871), (1935, 36889), (2991, 23865), (4773, 14955), (4985, 14319), (7955, 8973)]