177240921

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 296549568

約数和(自身を除く): 119308647

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 71, 121, 143, 213, 253, 299, 363, 429, 529, 759, 781, 897, 923, 1573, 1587, 1633, 2343, 2769, 2783, 3289, 4719, 4899, 5819, 6877, 8349, 8591, 9867, 10153, 17457, 17963, 20631, 21229, 25773, 30459, 36179, 37559, 53889, 63687, 64009, 75647, 108537, 111683, 112677, 192027, 197593, 226941, 233519, 335049, 413149, 488267, 592779, 700557, 832117, 1239447, 1464801, 2496351, 2568709, 4544639, 5370937, 7706127, 13633917, 16112811, 59080307, 177240921]

約数ペア:

[(1, 177240921), (3, 59080307), (11, 16112811), (13, 13633917), (23, 7706127), (33, 5370937), (39, 4544639), (69, 2568709), (71, 2496351), (121, 1464801), (143, 1239447), (213, 832117), (253, 700557), (299, 592779), (363, 488267), (429, 413149), (529, 335049), (759, 233519), (781, 226941), (897, 197593), (923, 192027), (1573, 112677), (1587, 111683), (1633, 108537), (2343, 75647), (2769, 64009), (2783, 63687), (3289, 53889), (4719, 37559), (4899, 36179), (5819, 30459), (6877, 25773), (8349, 21229), (8591, 20631), (9867, 17963), (10153, 17457)]