30821679

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 53913600

約数和(自身を除く): 23091921

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 89, 161, 207, 239, 267, 483, 623, 717, 801, 1449, 1673, 1869, 2047, 2151, 5019, 5497, 5607, 6141, 14329, 15057, 16491, 18423, 21271, 38479, 42987, 49473, 63813, 115437, 128961, 148897, 191439, 346311, 446691, 489233, 1340073, 1467699, 3424631, 4403097, 10273893, 30821679]

約数ペア:

[(1, 30821679), (3, 10273893), (7, 4403097), (9, 3424631), (21, 1467699), (23, 1340073), (63, 489233), (69, 446691), (89, 346311), (161, 191439), (207, 148897), (239, 128961), (267, 115437), (483, 63813), (623, 49473), (717, 42987), (801, 38479), (1449, 21271), (1673, 18423), (1869, 16491), (2047, 15057), (2151, 14329), (5019, 6141), (5497, 5607)]