207372225

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 354620160

約数和(自身を除く): 147247935

約数列:

[1, 3, 5, 15, 25, 47, 75, 89, 141, 235, 267, 445, 661, 705, 1175, 1335, 1983, 2225, 3305, 3525, 4183, 6675, 9915, 12549, 16525, 20915, 31067, 49575, 58829, 62745, 93201, 104575, 155335, 176487, 294145, 313725, 466005, 776675, 882435, 1470725, 2330025, 2764963, 4412175, 8294889, 13824815, 41474445, 69124075, 207372225]

約数ペア:

[(1, 207372225), (3, 69124075), (5, 41474445), (15, 13824815), (25, 8294889), (47, 4412175), (75, 2764963), (89, 2330025), (141, 1470725), (235, 882435), (267, 776675), (445, 466005), (661, 313725), (705, 294145), (1175, 176487), (1335, 155335), (1983, 104575), (2225, 93201), (3305, 62745), (3525, 58829), (4183, 49575), (6675, 31067), (9915, 20915), (12549, 16525)]