220121775

素因数分解:

$3^2\times 5^2\times {\mathrm{463}}^1\times {\mathrm{2113}}^1$

素因数の和:2592

約数の個数: 36

約数和(自身を含む): 395301088

約数和(自身を除く): 175179313

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 463, 1389, 2113, 2315, 4167, 6339, 6945, 10565, 11575, 19017, 20835, 31695, 34725, 52825, 95085, 104175, 158475, 475425, 978319, 2934957, 4891595, 8804871, 14674785, 24457975, 44024355, 73373925, 220121775]

約数ペア:

[(1, 220121775), (3, 73373925), (5, 44024355), (9, 24457975), (15, 14674785), (25, 8804871), (45, 4891595), (75, 2934957), (225, 978319), (463, 475425), (1389, 158475), (2113, 104175), (2315, 95085), (4167, 52825), (6339, 34725), (6945, 31695), (10565, 20835), (11575, 19017)]