31109169

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 52910592

約数和(自身を除く): 21801423

約数列:

[1, 3, 7, 13, 21, 39, 49, 73, 91, 147, 219, 223, 273, 511, 637, 669, 949, 1533, 1561, 1911, 2847, 2899, 3577, 4683, 6643, 8697, 10731, 10927, 16279, 19929, 20293, 32781, 46501, 48837, 60879, 113953, 139503, 142051, 211627, 341859, 426153, 634881, 797671, 1481389, 2393013, 4444167, 10369723, 31109169]

約数ペア:

[(1, 31109169), (3, 10369723), (7, 4444167), (13, 2393013), (21, 1481389), (39, 797671), (49, 634881), (73, 426153), (91, 341859), (147, 211627), (219, 142051), (223, 139503), (273, 113953), (511, 60879), (637, 48837), (669, 46501), (949, 32781), (1533, 20293), (1561, 19929), (1911, 16279), (2847, 10927), (2899, 10731), (3577, 8697), (4683, 6643)]