1870695

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:197

約数の個数: 40

約数和(自身を含む): 3484800

約数和(自身を除く): 1614105

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 149, 155, 279, 405, 447, 465, 745, 837, 1341, 1395, 2235, 2511, 4023, 4185, 4619, 6705, 12069, 12555, 13857, 20115, 23095, 41571, 60345, 69285, 124713, 207855, 374139, 623565, 1870695]

約数ペア:

[(1, 1870695), (3, 623565), (5, 374139), (9, 207855), (15, 124713), (27, 69285), (31, 60345), (45, 41571), (81, 23095), (93, 20115), (135, 13857), (149, 12555), (155, 12069), (279, 6705), (405, 4619), (447, 4185), (465, 4023), (745, 2511), (837, 2235), (1341, 1395)]