891328347

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1291}}^1$

素因数の和:1601

約数の個数: 64

約数和(自身を含む): 1632261120

約数和(自身を除く): 740932773

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 281, 351, 819, 843, 1291, 1967, 2457, 2529, 3653, 3873, 5901, 7587, 9037, 10959, 11619, 16783, 17703, 25571, 27111, 32877, 34857, 50349, 53109, 76713, 81333, 98631, 117481, 151047, 230139, 243999, 352443, 362771, 453141, 690417, 1057329, 1088313, 2539397, 3171987, 3264939, 4716023, 7618191, 9794817, 14148069, 22854573, 33012161, 42444207, 68563719, 99036483, 127332621, 297109449, 891328347]

約数ペア:

[(1, 891328347), (3, 297109449), (7, 127332621), (9, 99036483), (13, 68563719), (21, 42444207), (27, 33012161), (39, 22854573), (63, 14148069), (91, 9794817), (117, 7618191), (189, 4716023), (273, 3264939), (281, 3171987), (351, 2539397), (819, 1088313), (843, 1057329), (1291, 690417), (1967, 453141), (2457, 362771), (2529, 352443), (3653, 243999), (3873, 230139), (5901, 151047), (7587, 117481), (9037, 98631), (10959, 81333), (11619, 76713), (16783, 53109), (17703, 50349), (25571, 34857), (27111, 32877)]