1321570455

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4261}}^1$

素因数の和:4352

約数の個数: 64

約数和(自身を含む): 2356715520

約数和(自身を除く): 1035145065

約数列:

[1, 3, 5, 15, 23, 29, 31, 69, 87, 93, 115, 145, 155, 345, 435, 465, 667, 713, 899, 2001, 2139, 2697, 3335, 3565, 4261, 4495, 10005, 10695, 12783, 13485, 20677, 21305, 62031, 63915, 98003, 103385, 123569, 132091, 294009, 310155, 370707, 396273, 490015, 617845, 660455, 1470045, 1853535, 1981365, 2842087, 3038093, 3830639, 8526261, 9114279, 11491917, 14210435, 15190465, 19153195, 42631305, 45571395, 57459585, 88104697, 264314091, 440523485, 1321570455]

約数ペア:

[(1, 1321570455), (3, 440523485), (5, 264314091), (15, 88104697), (23, 57459585), (29, 45571395), (31, 42631305), (69, 19153195), (87, 15190465), (93, 14210435), (115, 11491917), (145, 9114279), (155, 8526261), (345, 3830639), (435, 3038093), (465, 2842087), (667, 1981365), (713, 1853535), (899, 1470045), (2001, 660455), (2139, 617845), (2697, 490015), (3335, 396273), (3565, 370707), (4261, 310155), (4495, 294009), (10005, 132091), (10695, 123569), (12783, 103385), (13485, 98003), (20677, 63915), (21305, 62031)]