21152803725

素因数分解:

$3^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{120067}}^1$

素因数の和:120121

約数の個数: 72

約数和(自身を含む): 40645419360

約数和(自身を除く): 19492615635

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 135, 145, 225, 243, 261, 405, 435, 675, 725, 783, 1215, 1305, 2025, 2175, 2349, 3915, 6075, 6525, 7047, 11745, 19575, 35235, 58725, 120067, 176175, 360201, 600335, 1080603, 1801005, 3001675, 3241809, 3481943, 5403015, 9005025, 9725427, 10445829, 16209045, 17409715, 27015075, 29176281, 31337487, 48627135, 52229145, 81045225, 87048575, 94012461, 145881405, 156687435, 243135675, 261145725, 282037383, 470062305, 729407025, 783437175, 846112149, 1410186915, 2350311525, 4230560745, 7050934575, 21152803725]

約数ペア:

[(1, 21152803725), (3, 7050934575), (5, 4230560745), (9, 2350311525), (15, 1410186915), (25, 846112149), (27, 783437175), (29, 729407025), (45, 470062305), (75, 282037383), (81, 261145725), (87, 243135675), (135, 156687435), (145, 145881405), (225, 94012461), (243, 87048575), (261, 81045225), (405, 52229145), (435, 48627135), (675, 31337487), (725, 29176281), (783, 27015075), (1215, 17409715), (1305, 16209045), (2025, 10445829), (2175, 9725427), (2349, 9005025), (3915, 5403015), (6075, 3481943), (6525, 3241809), (7047, 3001675), (11745, 1801005), (19575, 1080603), (35235, 600335), (58725, 360201), (120067, 176175)]