15201315

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 28843776

約数和(自身を除く): 13642461

約数列:

[1, 3, 5, 9, 15, 17, 31, 45, 51, 85, 93, 153, 155, 255, 279, 465, 527, 641, 765, 1395, 1581, 1923, 2635, 3205, 4743, 5769, 7905, 9615, 10897, 19871, 23715, 28845, 32691, 54485, 59613, 98073, 99355, 163455, 178839, 298065, 337807, 490365, 894195, 1013421, 1689035, 3040263, 5067105, 15201315]

約数ペア:

[(1, 15201315), (3, 5067105), (5, 3040263), (9, 1689035), (15, 1013421), (17, 894195), (31, 490365), (45, 337807), (51, 298065), (85, 178839), (93, 163455), (153, 99355), (155, 98073), (255, 59613), (279, 54485), (465, 32691), (527, 28845), (641, 23715), (765, 19871), (1395, 10897), (1581, 9615), (1923, 7905), (2635, 5769), (3205, 4743)]