31907205

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{883}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 61229376

約数和(自身を除く): 29322171

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 73, 99, 165, 219, 365, 495, 657, 803, 883, 1095, 2409, 2649, 3285, 4015, 4415, 7227, 7947, 9713, 12045, 13245, 29139, 36135, 39735, 48565, 64459, 87417, 145695, 193377, 322295, 437085, 580131, 709049, 966885, 2127147, 2900655, 3545245, 6381441, 10635735, 31907205]

約数ペア:

[(1, 31907205), (3, 10635735), (5, 6381441), (9, 3545245), (11, 2900655), (15, 2127147), (33, 966885), (45, 709049), (55, 580131), (73, 437085), (99, 322295), (165, 193377), (219, 145695), (365, 87417), (495, 64459), (657, 48565), (803, 39735), (883, 36135), (1095, 29139), (2409, 13245), (2649, 12045), (3285, 9713), (4015, 7947), (4415, 7227)]