219345135

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 391910400

約数和(自身を除く): 172565265

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 149, 251, 255, 345, 391, 447, 745, 753, 1173, 1255, 1955, 2235, 2533, 3427, 3765, 4267, 5773, 5865, 7599, 10281, 12665, 12801, 17135, 17319, 21335, 28865, 37399, 37995, 51405, 58259, 64005, 86595, 98141, 112197, 174777, 186995, 291295, 294423, 490705, 560985, 635783, 860177, 873885, 1472115, 1907349, 2580531, 3178915, 4300885, 9536745, 12902655, 14623009, 43869027, 73115045, 219345135]

約数ペア:

[(1, 219345135), (3, 73115045), (5, 43869027), (15, 14623009), (17, 12902655), (23, 9536745), (51, 4300885), (69, 3178915), (85, 2580531), (115, 1907349), (149, 1472115), (251, 873885), (255, 860177), (345, 635783), (391, 560985), (447, 490705), (745, 294423), (753, 291295), (1173, 186995), (1255, 174777), (1955, 112197), (2235, 98141), (2533, 86595), (3427, 64005), (3765, 58259), (4267, 51405), (5773, 37995), (5865, 37399), (7599, 28865), (10281, 21335), (12665, 17319), (12801, 17135)]