25601751

素因数分解:

$3^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:227

約数の個数: 56

約数和(自身を含む): 45643680

約数和(自身を除く): 20041929

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 173, 189, 203, 243, 261, 519, 567, 609, 729, 783, 1211, 1557, 1701, 1827, 2349, 3633, 4671, 5017, 5103, 5481, 7047, 10899, 14013, 15051, 16443, 21141, 32697, 35119, 42039, 45153, 49329, 98091, 105357, 126117, 135459, 147987, 294273, 316071, 406377, 882819, 948213, 1219131, 2844639, 3657393, 8533917, 25601751]

約数ペア:

[(1, 25601751), (3, 8533917), (7, 3657393), (9, 2844639), (21, 1219131), (27, 948213), (29, 882819), (63, 406377), (81, 316071), (87, 294273), (173, 147987), (189, 135459), (203, 126117), (243, 105357), (261, 98091), (519, 49329), (567, 45153), (609, 42039), (729, 35119), (783, 32697), (1211, 21141), (1557, 16443), (1701, 15051), (1827, 14013), (2349, 10899), (3633, 7047), (4671, 5481), (5017, 5103)]