17213775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 31497984

約数和(自身を除く): 14284209

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 255, 345, 391, 425, 575, 587, 1173, 1275, 1725, 1761, 1955, 2935, 5865, 8805, 9775, 9979, 13501, 14675, 29325, 29937, 40503, 44025, 49895, 67505, 149685, 202515, 229517, 249475, 337525, 688551, 748425, 1012575, 1147585, 3442755, 5737925, 17213775]

約数ペア:

[(1, 17213775), (3, 5737925), (5, 3442755), (15, 1147585), (17, 1012575), (23, 748425), (25, 688551), (51, 337525), (69, 249475), (75, 229517), (85, 202515), (115, 149685), (255, 67505), (345, 49895), (391, 44025), (425, 40503), (575, 29937), (587, 29325), (1173, 14675), (1275, 13501), (1725, 9979), (1761, 9775), (1955, 8805), (2935, 5865)]