81066075

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 139324416

約数和(自身を除く): 58258341

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 131, 185, 223, 393, 555, 655, 669, 925, 1115, 1965, 2775, 3275, 3345, 4847, 5575, 8251, 9825, 14541, 16725, 24235, 24753, 29213, 41255, 72705, 87639, 121175, 123765, 146065, 206275, 363525, 438195, 618825, 730325, 1080881, 2190975, 3242643, 5404405, 16213215, 27022025, 81066075]

約数ペア:

[(1, 81066075), (3, 27022025), (5, 16213215), (15, 5404405), (25, 3242643), (37, 2190975), (75, 1080881), (111, 730325), (131, 618825), (185, 438195), (223, 363525), (393, 206275), (555, 146065), (655, 123765), (669, 121175), (925, 87639), (1115, 72705), (1965, 41255), (2775, 29213), (3275, 24753), (3345, 24235), (4847, 16725), (5575, 14541), (8251, 9825)]