15383895

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 28283904

約数和(自身を除く): 12900009

約数列:

[1, 3, 5, 15, 17, 23, 43, 51, 61, 69, 85, 115, 129, 183, 215, 255, 305, 345, 391, 645, 731, 915, 989, 1037, 1173, 1403, 1955, 2193, 2623, 2967, 3111, 3655, 4209, 4945, 5185, 5865, 7015, 7869, 10965, 13115, 14835, 15555, 16813, 21045, 23851, 39345, 44591, 50439, 60329, 71553, 84065, 119255, 133773, 180987, 222955, 252195, 301645, 357765, 668865, 904935, 1025593, 3076779, 5127965, 15383895]

約数ペア:

[(1, 15383895), (3, 5127965), (5, 3076779), (15, 1025593), (17, 904935), (23, 668865), (43, 357765), (51, 301645), (61, 252195), (69, 222955), (85, 180987), (115, 133773), (129, 119255), (183, 84065), (215, 71553), (255, 60329), (305, 50439), (345, 44591), (391, 39345), (645, 23851), (731, 21045), (915, 16813), (989, 15555), (1037, 14835), (1173, 13115), (1403, 10965), (1955, 7869), (2193, 7015), (2623, 5865), (2967, 5185), (3111, 4945), (3655, 4209)]