281262078

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{433}}^1\times {\mathrm{523}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 654958080

約数和(自身を除く): 373696002

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 433, 523, 621, 866, 1046, 1242, 1299, 1569, 2598, 3138, 3897, 4707, 7794, 9414, 9959, 11691, 12029, 14121, 19918, 23382, 24058, 28242, 29877, 36087, 59754, 72174, 89631, 108261, 179262, 216522, 226459, 268893, 324783, 452918, 537786, 649566, 679377, 1358754, 2038131, 4076262, 5208557, 6114393, 10417114, 12228786, 15625671, 31251342, 46877013, 93754026, 140631039, 281262078]

約数ペア:

[(1, 281262078), (2, 140631039), (3, 93754026), (6, 46877013), (9, 31251342), (18, 15625671), (23, 12228786), (27, 10417114), (46, 6114393), (54, 5208557), (69, 4076262), (138, 2038131), (207, 1358754), (414, 679377), (433, 649566), (523, 537786), (621, 452918), (866, 324783), (1046, 268893), (1242, 226459), (1299, 216522), (1569, 179262), (2598, 108261), (3138, 89631), (3897, 72174), (4707, 59754), (7794, 36087), (9414, 29877), (9959, 28242), (11691, 24058), (12029, 23382), (14121, 19918)]