31102911

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 55059264

約数和(自身を除く): 23956353

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 113, 119, 153, 257, 339, 357, 771, 791, 1017, 1071, 1799, 1921, 2313, 2373, 4369, 5397, 5763, 7119, 13107, 13447, 16191, 17289, 29041, 30583, 39321, 40341, 87123, 91749, 121023, 203287, 261369, 275247, 493697, 609861, 1481091, 1829583, 3455879, 4443273, 10367637, 31102911]

約数ペア:

[(1, 31102911), (3, 10367637), (7, 4443273), (9, 3455879), (17, 1829583), (21, 1481091), (51, 609861), (63, 493697), (113, 275247), (119, 261369), (153, 203287), (257, 121023), (339, 91749), (357, 87123), (771, 40341), (791, 39321), (1017, 30583), (1071, 29041), (1799, 17289), (1921, 16191), (2313, 13447), (2373, 13107), (4369, 7119), (5397, 5763)]