249223845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 445906944

約数和(自身を除く): 196683099

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 71, 141, 195, 213, 235, 355, 383, 611, 705, 923, 1065, 1149, 1833, 1915, 2769, 3055, 3337, 4615, 4979, 5745, 9165, 10011, 13845, 14937, 16685, 18001, 24895, 27193, 43381, 50055, 54003, 74685, 81579, 90005, 130143, 135965, 216905, 234013, 270015, 353509, 407895, 650715, 702039, 1060527, 1170065, 1278071, 1767545, 3510195, 3834213, 5302635, 6390355, 16614923, 19171065, 49844769, 83074615, 249223845]

約数ペア:

[(1, 249223845), (3, 83074615), (5, 49844769), (13, 19171065), (15, 16614923), (39, 6390355), (47, 5302635), (65, 3834213), (71, 3510195), (141, 1767545), (195, 1278071), (213, 1170065), (235, 1060527), (355, 702039), (383, 650715), (611, 407895), (705, 353509), (923, 270015), (1065, 234013), (1149, 216905), (1833, 135965), (1915, 130143), (2769, 90005), (3055, 81579), (3337, 74685), (4615, 54003), (4979, 50055), (5745, 43381), (9165, 27193), (10011, 24895), (13845, 18001), (14937, 16685)]