71271945

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2689}}^1$

素因数の和:2750

約数の個数: 48

約数和(自身を含む): 134284800

約数和(自身を除く): 63012855

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 155, 171, 279, 285, 465, 589, 855, 1395, 1767, 2689, 2945, 5301, 8067, 8835, 13445, 24201, 26505, 40335, 51091, 83359, 121005, 153273, 250077, 255455, 416795, 459819, 750231, 766365, 1250385, 1583821, 2299095, 3751155, 4751463, 7919105, 14254389, 23757315, 71271945]

約数ペア:

[(1, 71271945), (3, 23757315), (5, 14254389), (9, 7919105), (15, 4751463), (19, 3751155), (31, 2299095), (45, 1583821), (57, 1250385), (93, 766365), (95, 750231), (155, 459819), (171, 416795), (279, 255455), (285, 250077), (465, 153273), (589, 121005), (855, 83359), (1395, 51091), (1767, 40335), (2689, 26505), (2945, 24201), (5301, 13445), (8067, 8835)]