71777175

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 125006880

約数和(自身を除く): 53229705

約数列:

[1, 3, 5, 15, 25, 29, 61, 75, 87, 145, 183, 305, 435, 541, 725, 915, 1525, 1623, 1769, 2175, 2705, 4575, 5307, 8115, 8845, 13525, 15689, 26535, 33001, 40575, 44225, 47067, 78445, 99003, 132675, 165005, 235335, 392225, 495015, 825025, 957029, 1176675, 2475075, 2871087, 4785145, 14355435, 23925725, 71777175]

約数ペア:

[(1, 71777175), (3, 23925725), (5, 14355435), (15, 4785145), (25, 2871087), (29, 2475075), (61, 1176675), (75, 957029), (87, 825025), (145, 495015), (183, 392225), (305, 235335), (435, 165005), (541, 132675), (725, 99003), (915, 78445), (1525, 47067), (1623, 44225), (1769, 40575), (2175, 33001), (2705, 26535), (4575, 15689), (5307, 13525), (8115, 8845)]