1289667897

素因数分解:

$3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 2213894592

約数和(自身を除く): 924226695

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 151, 181, 321, 441, 453, 543, 749, 963, 1057, 1267, 1359, 1629, 2247, 3171, 3801, 5243, 6741, 7399, 8869, 9513, 11403, 15729, 16157, 19367, 22197, 26607, 27331, 47187, 48471, 58101, 66591, 79821, 81993, 113099, 135569, 145413, 174303, 191317, 245979, 339297, 406707, 573951, 791693, 948983, 1017891, 1220121, 1339219, 1721853, 2375079, 2846949, 2924417, 4017657, 7125237, 8540847, 8773251, 12052971, 20470919, 26319753, 61412757, 143296433, 184238271, 429889299, 1289667897]

約数ペア:

[(1, 1289667897), (3, 429889299), (7, 184238271), (9, 143296433), (21, 61412757), (49, 26319753), (63, 20470919), (107, 12052971), (147, 8773251), (151, 8540847), (181, 7125237), (321, 4017657), (441, 2924417), (453, 2846949), (543, 2375079), (749, 1721853), (963, 1339219), (1057, 1220121), (1267, 1017891), (1359, 948983), (1629, 791693), (2247, 573951), (3171, 406707), (3801, 339297), (5243, 245979), (6741, 191317), (7399, 174303), (8869, 145413), (9513, 135569), (11403, 113099), (15729, 81993), (16157, 79821), (19367, 66591), (22197, 58101), (26607, 48471), (27331, 47187)]