209141505

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 373486464

約数和(自身を除く): 164344959

約数列:

[1, 3, 5, 9, 15, 45, 67, 71, 201, 213, 335, 355, 603, 639, 977, 1005, 1065, 2931, 3015, 3195, 4757, 4885, 8793, 14271, 14655, 23785, 42813, 43965, 65459, 69367, 71355, 196377, 208101, 214065, 327295, 346835, 589131, 624303, 981885, 1040505, 2945655, 3121515, 4647589, 13942767, 23237945, 41828301, 69713835, 209141505]

約数ペア:

[(1, 209141505), (3, 69713835), (5, 41828301), (9, 23237945), (15, 13942767), (45, 4647589), (67, 3121515), (71, 2945655), (201, 1040505), (213, 981885), (335, 624303), (355, 589131), (603, 346835), (639, 327295), (977, 214065), (1005, 208101), (1065, 196377), (2931, 71355), (3015, 69367), (3195, 65459), (4757, 43965), (4885, 42813), (8793, 23785), (14271, 14655)]