218409135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{29297}}^1$

素因数の和:29383

約数の個数: 32

約数和(自身を含む): 405015552

約数和(自身を除く): 186606417

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 7455, 29297, 87891, 146485, 205079, 439455, 615237, 1025395, 2080087, 3076185, 6240261, 10400435, 14560609, 31201305, 43681827, 72803045, 218409135]

約数ペア:

[(1, 218409135), (3, 72803045), (5, 43681827), (7, 31201305), (15, 14560609), (21, 10400435), (35, 6240261), (71, 3076185), (105, 2080087), (213, 1025395), (355, 615237), (497, 439455), (1065, 205079), (1491, 146485), (2485, 87891), (7455, 29297)]