151720239

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{907}}^1$

素因数の和:1095

約数の個数: 32

約数和(自身を含む): 228554496

約数和(自身を除く): 76834257

約数列:

[1, 3, 11, 33, 37, 111, 137, 407, 411, 907, 1221, 1507, 2721, 4521, 5069, 9977, 15207, 29931, 33559, 55759, 100677, 124259, 167277, 369149, 372777, 1107447, 1366849, 4100547, 4597583, 13792749, 50573413, 151720239]

約数ペア:

[(1, 151720239), (3, 50573413), (11, 13792749), (33, 4597583), (37, 4100547), (111, 1366849), (137, 1107447), (407, 372777), (411, 369149), (907, 167277), (1221, 124259), (1507, 100677), (2721, 55759), (4521, 33559), (5069, 29931), (9977, 15207)]