998958555

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{13381}}^1$

素因数の和:13481

約数の個数: 64

約数和(自身を含む): 2055475200

約数和(自身を除く): 1056516645

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 79, 105, 135, 189, 237, 315, 395, 553, 711, 945, 1185, 1659, 2133, 2765, 3555, 4977, 8295, 10665, 13381, 14931, 24885, 40143, 66905, 74655, 93667, 120429, 200715, 281001, 361287, 468335, 602145, 843003, 1057099, 1405005, 1806435, 2529009, 3171297, 4215015, 5285495, 7399693, 9513891, 12645045, 15856485, 22199079, 28541673, 36998465, 47569455, 66597237, 110995395, 142708365, 199791711, 332986185, 998958555]

約数ペア:

[(1, 998958555), (3, 332986185), (5, 199791711), (7, 142708365), (9, 110995395), (15, 66597237), (21, 47569455), (27, 36998465), (35, 28541673), (45, 22199079), (63, 15856485), (79, 12645045), (105, 9513891), (135, 7399693), (189, 5285495), (237, 4215015), (315, 3171297), (395, 2529009), (553, 1806435), (711, 1405005), (945, 1057099), (1185, 843003), (1659, 602145), (2133, 468335), (2765, 361287), (3555, 281001), (4977, 200715), (8295, 120429), (10665, 93667), (13381, 74655), (14931, 66905), (24885, 40143)]