131361930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{208511}}^1$

素因数の和:208531

約数の個数: 48

約数和(自身を含む): 390334464

約数和(自身を除く): 258972534

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 208511, 417022, 625533, 1042555, 1251066, 1459577, 1876599, 2085110, 2919154, 3127665, 3753198, 4378731, 6255330, 7297885, 8757462, 9382995, 13136193, 14595770, 18765990, 21893655, 26272386, 43787310, 65680965, 131361930]

約数ペア:

[(1, 131361930), (2, 65680965), (3, 43787310), (5, 26272386), (6, 21893655), (7, 18765990), (9, 14595770), (10, 13136193), (14, 9382995), (15, 8757462), (18, 7297885), (21, 6255330), (30, 4378731), (35, 3753198), (42, 3127665), (45, 2919154), (63, 2085110), (70, 1876599), (90, 1459577), (105, 1251066), (126, 1042555), (210, 625533), (315, 417022), (630, 208511)]