16972605

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 34272000

約数和(自身を除く): 17299395

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 95, 117, 135, 171, 195, 247, 285, 351, 509, 513, 585, 741, 855, 1235, 1527, 1755, 2223, 2545, 2565, 3705, 4581, 6617, 6669, 7635, 9671, 11115, 13743, 19851, 22905, 29013, 33085, 33345, 48355, 59553, 68715, 87039, 99255, 125723, 145065, 178659, 261117, 297765, 377169, 435195, 628615, 893295, 1131507, 1305585, 1885845, 3394521, 5657535, 16972605]

約数ペア:

[(1, 16972605), (3, 5657535), (5, 3394521), (9, 1885845), (13, 1305585), (15, 1131507), (19, 893295), (27, 628615), (39, 435195), (45, 377169), (57, 297765), (65, 261117), (95, 178659), (117, 145065), (135, 125723), (171, 99255), (195, 87039), (247, 68715), (285, 59553), (351, 48355), (509, 33345), (513, 33085), (585, 29013), (741, 22905), (855, 19851), (1235, 13743), (1527, 11115), (1755, 9671), (2223, 7635), (2545, 6669), (2565, 6617), (3705, 4581)]