289773015

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{394249}}^1$

素因数の和:394271

約数の個数: 24

約数和(自身を含む): 539334000

約数和(自身を除く): 249560985

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 394249, 1182747, 1971245, 2759743, 5913735, 8279229, 13798715, 19318201, 41396145, 57954603, 96591005, 289773015]

約数ペア:

[(1, 289773015), (3, 96591005), (5, 57954603), (7, 41396145), (15, 19318201), (21, 13798715), (35, 8279229), (49, 5913735), (105, 2759743), (147, 1971245), (245, 1182747), (735, 394249)]