218138655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{50671}}^1$

素因数の和:50727

約数の個数: 32

約数和(自身を含む): 408619008

約数和(自身を除く): 190480353

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 50671, 152013, 253355, 354697, 760065, 1064091, 1773485, 2077511, 5320455, 6232533, 10387555, 14542577, 31162665, 43627731, 72712885, 218138655]

約数ペア:

[(1, 218138655), (3, 72712885), (5, 43627731), (7, 31162665), (15, 14542577), (21, 10387555), (35, 6232533), (41, 5320455), (105, 2077511), (123, 1773485), (205, 1064091), (287, 760065), (615, 354697), (861, 253355), (1435, 152013), (4305, 50671)]