211345965

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{3461}}^1$

素因数の和:3554

約数の個数: 48

約数和(自身を含む): 388851840

約数和(自身を除く): 177505875

約数列:

[1, 3, 5, 9, 15, 23, 45, 59, 69, 115, 177, 207, 295, 345, 531, 885, 1035, 1357, 2655, 3461, 4071, 6785, 10383, 12213, 17305, 20355, 31149, 51915, 61065, 79603, 155745, 204199, 238809, 398015, 612597, 716427, 1020995, 1194045, 1837791, 3062985, 3582135, 4696577, 9188955, 14089731, 23482885, 42269193, 70448655, 211345965]

約数ペア:

[(1, 211345965), (3, 70448655), (5, 42269193), (9, 23482885), (15, 14089731), (23, 9188955), (45, 4696577), (59, 3582135), (69, 3062985), (115, 1837791), (177, 1194045), (207, 1020995), (295, 716427), (345, 612597), (531, 398015), (885, 238809), (1035, 204199), (1357, 155745), (2655, 79603), (3461, 61065), (4071, 51915), (6785, 31149), (10383, 20355), (12213, 17305)]