31348275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 62210304

約数和(自身を除く): 30862029

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 71, 75, 87, 105, 145, 175, 203, 213, 355, 435, 497, 525, 609, 725, 841, 1015, 1065, 1491, 1775, 2059, 2175, 2485, 2523, 3045, 4205, 5075, 5325, 5887, 6177, 7455, 10295, 12425, 12615, 14413, 15225, 17661, 21025, 29435, 30885, 37275, 43239, 51475, 59711, 63075, 72065, 88305, 147175, 154425, 179133, 216195, 298555, 360325, 417977, 441525, 895665, 1080975, 1253931, 1492775, 2089885, 4478325, 6269655, 10449425, 31348275]

約数ペア:

[(1, 31348275), (3, 10449425), (5, 6269655), (7, 4478325), (15, 2089885), (21, 1492775), (25, 1253931), (29, 1080975), (35, 895665), (71, 441525), (75, 417977), (87, 360325), (105, 298555), (145, 216195), (175, 179133), (203, 154425), (213, 147175), (355, 88305), (435, 72065), (497, 63075), (525, 59711), (609, 51475), (725, 43239), (841, 37275), (1015, 30885), (1065, 29435), (1491, 21025), (1775, 17661), (2059, 15225), (2175, 14413), (2485, 12615), (2523, 12425), (3045, 10295), (4205, 7455), (5075, 6177), (5325, 5887)]