721806345

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{4801}}^1$

素因数の和:5082

約数の個数: 48

約数和(自身を含む): 1352896272

約数和(自身を除く): 631089927

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 257, 585, 771, 1285, 2313, 3341, 3855, 4801, 10023, 11565, 14403, 16705, 24005, 30069, 43209, 50115, 62413, 72015, 150345, 187239, 216045, 312065, 561717, 936195, 1233857, 2808585, 3701571, 6169285, 11104713, 16040141, 18507855, 48120423, 55523565, 80200705, 144361269, 240602115, 721806345]

約数ペア:

[(1, 721806345), (3, 240602115), (5, 144361269), (9, 80200705), (13, 55523565), (15, 48120423), (39, 18507855), (45, 16040141), (65, 11104713), (117, 6169285), (195, 3701571), (257, 2808585), (585, 1233857), (771, 936195), (1285, 561717), (2313, 312065), (3341, 216045), (3855, 187239), (4801, 150345), (10023, 72015), (11565, 62413), (14403, 50115), (16705, 43209), (24005, 30069)]