12858345

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 24373440

約数和(自身を除く): 11515095

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 405, 513, 557, 855, 1215, 1539, 1671, 2565, 2785, 4617, 5013, 7695, 8355, 10583, 15039, 23085, 25065, 31749, 45117, 52915, 75195, 95247, 135351, 158745, 225585, 285741, 476235, 676755, 857223, 1428705, 2571669, 4286115, 12858345]

約数ペア:

[(1, 12858345), (3, 4286115), (5, 2571669), (9, 1428705), (15, 857223), (19, 676755), (27, 476235), (45, 285741), (57, 225585), (81, 158745), (95, 135351), (135, 95247), (171, 75195), (243, 52915), (285, 45117), (405, 31749), (513, 25065), (557, 23085), (855, 15039), (1215, 10583), (1539, 8355), (1671, 7695), (2565, 5013), (2785, 4617)]