972785985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{25603}}^1$

素因数の和:25777

約数の個数: 32

約数和(自身を含む): 1659139200

約数和(自身を除く): 686353215

約数列:

[1, 3, 5, 15, 17, 51, 85, 149, 255, 447, 745, 2235, 2533, 7599, 12665, 25603, 37995, 76809, 128015, 384045, 435251, 1305753, 2176255, 3814847, 6528765, 11444541, 19074235, 57222705, 64852399, 194557197, 324261995, 972785985]

約数ペア:

[(1, 972785985), (3, 324261995), (5, 194557197), (15, 64852399), (17, 57222705), (51, 19074235), (85, 11444541), (149, 6528765), (255, 3814847), (447, 2176255), (745, 1305753), (2235, 435251), (2533, 384045), (7599, 128015), (12665, 76809), (25603, 37995)]