281036217

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1151}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 479084544

約数和(自身を除く): 198048327

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 151, 231, 453, 539, 1057, 1151, 1617, 1661, 3171, 3453, 4983, 7399, 8057, 11627, 12661, 22197, 24171, 34881, 37983, 56399, 81389, 88627, 169197, 173801, 244167, 265881, 521403, 620389, 1216607, 1861167, 1911811, 3649821, 5735433, 8516249, 13382677, 25548747, 40148031, 93678739, 281036217]

約数ペア:

[(1, 281036217), (3, 93678739), (7, 40148031), (11, 25548747), (21, 13382677), (33, 8516249), (49, 5735433), (77, 3649821), (147, 1911811), (151, 1861167), (231, 1216607), (453, 620389), (539, 521403), (1057, 265881), (1151, 244167), (1617, 173801), (1661, 169197), (3171, 88627), (3453, 81389), (4983, 56399), (7399, 37983), (8057, 34881), (11627, 24171), (12661, 22197)]