31935690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20873}}^1$

素因数の和:20903

約数の個数: 48

約数和(自身を含む): 87921288

約数和(自身を除く): 55985598

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 20873, 41746, 62619, 104365, 125238, 187857, 208730, 313095, 354841, 375714, 626190, 709682, 939285, 1064523, 1774205, 1878570, 2129046, 3193569, 3548410, 5322615, 6387138, 10645230, 15967845, 31935690]

約数ペア:

[(1, 31935690), (2, 15967845), (3, 10645230), (5, 6387138), (6, 5322615), (9, 3548410), (10, 3193569), (15, 2129046), (17, 1878570), (18, 1774205), (30, 1064523), (34, 939285), (45, 709682), (51, 626190), (85, 375714), (90, 354841), (102, 313095), (153, 208730), (170, 187857), (255, 125238), (306, 104365), (510, 62619), (765, 41746), (1530, 20873)]