31305483

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 56019600

約数和(自身を除く): 24714117

約数列:

[1, 3, 9, 11, 17, 19, 33, 51, 57, 89, 99, 121, 153, 171, 187, 209, 267, 323, 363, 561, 627, 801, 969, 979, 1089, 1513, 1683, 1691, 1881, 2057, 2299, 2907, 2937, 3553, 4539, 5073, 6171, 6897, 8811, 10659, 10769, 13617, 15219, 16643, 18513, 18601, 20691, 28747, 31977, 32307, 39083, 49929, 55803, 86241, 96921, 117249, 149787, 167409, 183073, 204611, 258723, 316217, 351747, 549219, 613833, 948651, 1647657, 1841499, 2845953, 3478387, 10435161, 31305483]

約数ペア:

[(1, 31305483), (3, 10435161), (9, 3478387), (11, 2845953), (17, 1841499), (19, 1647657), (33, 948651), (51, 613833), (57, 549219), (89, 351747), (99, 316217), (121, 258723), (153, 204611), (171, 183073), (187, 167409), (209, 149787), (267, 117249), (323, 96921), (363, 86241), (561, 55803), (627, 49929), (801, 39083), (969, 32307), (979, 31977), (1089, 28747), (1513, 20691), (1683, 18601), (1691, 18513), (1881, 16643), (2057, 15219), (2299, 13617), (2907, 10769), (2937, 10659), (3553, 8811), (4539, 6897), (5073, 6171)]