21227822685

素因数分解:

$3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{406313}}^1$

素因数の和:406376

約数の個数: 48

約数和(自身を含む): 39045150144

約数和(自身を除く): 17817327459

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 243, 387, 405, 645, 1161, 1215, 1935, 3483, 5805, 10449, 17415, 52245, 406313, 1218939, 2031565, 3656817, 6094695, 10970451, 17471459, 18284085, 32911353, 52414377, 54852255, 87357295, 98734059, 157243131, 164556765, 262071885, 471729393, 493670295, 786215655, 1415188179, 2358646965, 4245564537, 7075940895, 21227822685]

約数ペア:

[(1, 21227822685), (3, 7075940895), (5, 4245564537), (9, 2358646965), (15, 1415188179), (27, 786215655), (43, 493670295), (45, 471729393), (81, 262071885), (129, 164556765), (135, 157243131), (215, 98734059), (243, 87357295), (387, 54852255), (405, 52414377), (645, 32911353), (1161, 18284085), (1215, 17471459), (1935, 10970451), (3483, 6094695), (5805, 3656817), (10449, 2031565), (17415, 1218939), (52245, 406313)]