28935765

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 56160000

約数和(自身を除く): 27224235

約数列:

[1, 3, 5, 9, 15, 19, 27, 29, 45, 57, 87, 95, 135, 145, 171, 261, 285, 389, 435, 513, 551, 783, 855, 1167, 1305, 1653, 1945, 2565, 2755, 3501, 3915, 4959, 5835, 7391, 8265, 10503, 11281, 14877, 17505, 22173, 24795, 33843, 36955, 52515, 56405, 66519, 74385, 101529, 110865, 169215, 199557, 214339, 304587, 332595, 507645, 643017, 997785, 1071695, 1522935, 1929051, 3215085, 5787153, 9645255, 28935765]

約数ペア:

[(1, 28935765), (3, 9645255), (5, 5787153), (9, 3215085), (15, 1929051), (19, 1522935), (27, 1071695), (29, 997785), (45, 643017), (57, 507645), (87, 332595), (95, 304587), (135, 214339), (145, 199557), (171, 169215), (261, 110865), (285, 101529), (389, 74385), (435, 66519), (513, 56405), (551, 52515), (783, 36955), (855, 33843), (1167, 24795), (1305, 22173), (1653, 17505), (1945, 14877), (2565, 11281), (2755, 10503), (3501, 8265), (3915, 7391), (4959, 5835)]