72605475

素因数分解:

$3^2\times 5^2\times {\mathrm{523}}^1\times {\mathrm{617}}^1$

素因数の和:1156

約数の個数: 36

約数和(自身を含む): 130504296

約数和(自身を除く): 57898821

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 523, 617, 1569, 1851, 2615, 3085, 4707, 5553, 7845, 9255, 13075, 15425, 23535, 27765, 39225, 46275, 117675, 138825, 322691, 968073, 1613455, 2904219, 4840365, 8067275, 14521095, 24201825, 72605475]

約数ペア:

[(1, 72605475), (3, 24201825), (5, 14521095), (9, 8067275), (15, 4840365), (25, 2904219), (45, 1613455), (75, 968073), (225, 322691), (523, 138825), (617, 117675), (1569, 46275), (1851, 39225), (2615, 27765), (3085, 23535), (4707, 15425), (5553, 13075), (7845, 9255)]