28049325

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{6131}}^1$

素因数の和:6205

約数の個数: 24

約数和(自身を含む): 47142816

約数和(自身を除く): 19093491

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4575, 6131, 18393, 30655, 91965, 153275, 373991, 459825, 1121973, 1869955, 5609865, 9349775, 28049325]

約数ペア:

[(1, 28049325), (3, 9349775), (5, 5609865), (15, 1869955), (25, 1121973), (61, 459825), (75, 373991), (183, 153275), (305, 91965), (915, 30655), (1525, 18393), (4575, 6131)]