201665625

素因数分解:

$3^1\times 5^5\times 7^2\times {\mathrm{439}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 391849920

約数和(自身を除く): 190184295

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 125, 147, 175, 245, 375, 439, 525, 625, 735, 875, 1225, 1317, 1875, 2195, 2625, 3073, 3125, 3675, 4375, 6125, 6585, 9219, 9375, 10975, 13125, 15365, 18375, 21511, 21875, 30625, 32925, 46095, 54875, 64533, 65625, 76825, 91875, 107555, 153125, 164625, 230475, 274375, 322665, 384125, 459375, 537775, 823125, 1152375, 1371875, 1613325, 1920625, 2688875, 4115625, 5761875, 8066625, 9603125, 13444375, 28809375, 40333125, 67221875, 201665625]

約数ペア:

[(1, 201665625), (3, 67221875), (5, 40333125), (7, 28809375), (15, 13444375), (21, 9603125), (25, 8066625), (35, 5761875), (49, 4115625), (75, 2688875), (105, 1920625), (125, 1613325), (147, 1371875), (175, 1152375), (245, 823125), (375, 537775), (439, 459375), (525, 384125), (625, 322665), (735, 274375), (875, 230475), (1225, 164625), (1317, 153125), (1875, 107555), (2195, 91875), (2625, 76825), (3073, 65625), (3125, 64533), (3675, 54875), (4375, 46095), (6125, 32925), (6585, 30625), (9219, 21875), (9375, 21511), (10975, 18375), (13125, 15365)]