71601975

素因数分解:

$3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1861}}^1$

素因数の和:1902

約数の個数: 60

約数和(自身を含む): 139687240

約数和(自身を除く): 68085265

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 285, 405, 475, 513, 675, 855, 1425, 1539, 1861, 2025, 2565, 4275, 5583, 7695, 9305, 12825, 16749, 27915, 35359, 38475, 46525, 50247, 83745, 106077, 139575, 150741, 176795, 251235, 318231, 418725, 530385, 753705, 883975, 954693, 1256175, 1591155, 2651925, 2864079, 3768525, 4773465, 7955775, 14320395, 23867325, 71601975]

約数ペア:

[(1, 71601975), (3, 23867325), (5, 14320395), (9, 7955775), (15, 4773465), (19, 3768525), (25, 2864079), (27, 2651925), (45, 1591155), (57, 1256175), (75, 954693), (81, 883975), (95, 753705), (135, 530385), (171, 418725), (225, 318231), (285, 251235), (405, 176795), (475, 150741), (513, 139575), (675, 106077), (855, 83745), (1425, 50247), (1539, 46525), (1861, 38475), (2025, 35359), (2565, 27915), (4275, 16749), (5583, 12825), (7695, 9305)]