77281725

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 135419904

約数和(自身を除く): 58138179

約数列:

[1, 3, 5, 15, 23, 25, 69, 71, 75, 115, 213, 345, 355, 575, 631, 1065, 1633, 1725, 1775, 1893, 3155, 4899, 5325, 8165, 9465, 14513, 15775, 24495, 40825, 43539, 44801, 47325, 72565, 122475, 134403, 217695, 224005, 362825, 672015, 1030423, 1088475, 1120025, 3091269, 3360075, 5152115, 15456345, 25760575, 77281725]

約数ペア:

[(1, 77281725), (3, 25760575), (5, 15456345), (15, 5152115), (23, 3360075), (25, 3091269), (69, 1120025), (71, 1088475), (75, 1030423), (115, 672015), (213, 362825), (345, 224005), (355, 217695), (575, 134403), (631, 122475), (1065, 72565), (1633, 47325), (1725, 44801), (1775, 43539), (1893, 40825), (3155, 24495), (4899, 15775), (5325, 14513), (8165, 9465)]