42121725

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 73394112

約数和(自身を除く): 31272387

約数列:

[1, 3, 5, 15, 25, 37, 43, 75, 111, 129, 185, 215, 353, 555, 645, 925, 1059, 1075, 1591, 1765, 2775, 3225, 4773, 5295, 7955, 8825, 13061, 15179, 23865, 26475, 39183, 39775, 45537, 65305, 75895, 119325, 195915, 227685, 326525, 379475, 561623, 979575, 1138425, 1684869, 2808115, 8424345, 14040575, 42121725]

約数ペア:

[(1, 42121725), (3, 14040575), (5, 8424345), (15, 2808115), (25, 1684869), (37, 1138425), (43, 979575), (75, 561623), (111, 379475), (129, 326525), (185, 227685), (215, 195915), (353, 119325), (555, 75895), (645, 65305), (925, 45537), (1059, 39775), (1075, 39183), (1591, 26475), (1765, 23865), (2775, 15179), (3225, 13061), (4773, 8825), (5295, 7955)]