31990275

素因数分解:

$3^3\times 5^2\times {\mathrm{83}}^1\times {\mathrm{571}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 59579520

約数和(自身を除く): 27589245

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 83, 135, 225, 249, 415, 571, 675, 747, 1245, 1713, 2075, 2241, 2855, 3735, 5139, 6225, 8565, 11205, 14275, 15417, 18675, 25695, 42825, 47393, 56025, 77085, 128475, 142179, 236965, 385425, 426537, 710895, 1184825, 1279611, 2132685, 3554475, 6398055, 10663425, 31990275]

約数ペア:

[(1, 31990275), (3, 10663425), (5, 6398055), (9, 3554475), (15, 2132685), (25, 1279611), (27, 1184825), (45, 710895), (75, 426537), (83, 385425), (135, 236965), (225, 142179), (249, 128475), (415, 77085), (571, 56025), (675, 47393), (747, 42825), (1245, 25695), (1713, 18675), (2075, 15417), (2241, 14275), (2855, 11205), (3735, 8565), (5139, 6225)]