31423965

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 54183168

約数和(自身を除く): 22759203

約数列:

[1, 3, 5, 15, 29, 47, 53, 87, 141, 145, 159, 235, 265, 435, 705, 795, 841, 1363, 1537, 2491, 2523, 4089, 4205, 4611, 6815, 7473, 7685, 12455, 12615, 20445, 23055, 37365, 39527, 44573, 72239, 118581, 133719, 197635, 216717, 222865, 361195, 592905, 668595, 1083585, 2094931, 6284793, 10474655, 31423965]

約数ペア:

[(1, 31423965), (3, 10474655), (5, 6284793), (15, 2094931), (29, 1083585), (47, 668595), (53, 592905), (87, 361195), (141, 222865), (145, 216717), (159, 197635), (235, 133719), (265, 118581), (435, 72239), (705, 44573), (795, 39527), (841, 37365), (1363, 23055), (1537, 20445), (2491, 12615), (2523, 12455), (4089, 7685), (4205, 7473), (4611, 6815)]