42742215

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 80256000

約数和(自身を除く): 37513785

約数列:

[1, 3, 5, 9, 15, 27, 37, 43, 45, 111, 129, 135, 185, 199, 215, 333, 387, 555, 597, 645, 995, 999, 1161, 1591, 1665, 1791, 1935, 2985, 4773, 4995, 5373, 5805, 7363, 7955, 8557, 8955, 14319, 22089, 23865, 25671, 26865, 36815, 42785, 42957, 66267, 71595, 77013, 110445, 128355, 198801, 214785, 231039, 316609, 331335, 385065, 949827, 994005, 1155195, 1583045, 2849481, 4749135, 8548443, 14247405, 42742215]

約数ペア:

[(1, 42742215), (3, 14247405), (5, 8548443), (9, 4749135), (15, 2849481), (27, 1583045), (37, 1155195), (43, 994005), (45, 949827), (111, 385065), (129, 331335), (135, 316609), (185, 231039), (199, 214785), (215, 198801), (333, 128355), (387, 110445), (555, 77013), (597, 71595), (645, 66267), (995, 42957), (999, 42785), (1161, 36815), (1591, 26865), (1665, 25671), (1791, 23865), (1935, 22089), (2985, 14319), (4773, 8955), (4995, 8557), (5373, 7955), (5805, 7363)]